97585912 ÷ 54 
The aim is to understand the frequency of 54 in 97585912.

Going ahead to step 1:
54 goes into 9 0 times with a remainder of 9.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 9 and we're left with 9.
Include the next digit (7) from the dividend after 9, then repeat: 97 / 54

Step 2:
If we divide 97 by 54, we get 1 and a remainder of 43.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
If we take 54 away from 97, we end up with 43.
Append the next digit (5) from the dividend to 43 and continue with: 435 / 54

Advancing to step 3:
54 goes into 435 8 times with a remainder of 3.
The number 8 becomes the next digit in our result. 
Result so far: 18.0
Deduct 432 from 435 and we're left with 3.
Take the next digit (8) from the dividend and append it to 3, then repeat: 38 / 54

On to step 4:
If we divide 38 by 54, we get 0 and a remainder of 38.
Write down 0 as next digit of the result. 
Result so far: 180.0
Subtracting 0 from 38 leaves us with 38.
Include the next digit (5) from the dividend after 38, then repeat: 385 / 54

On to step 5:
When dividing 385 by 54, we get 7 with a remainder of 7.
Put 7 as the next digit of the answer. 
Result so far: 1807.0
Deduct 378 from 385 and we're left with 7.
Grab the next digit (9) from the dividend, add it to 7, then carry on: 79 / 54

Advancing to step 6:
79 divided by 54 is 1 with a remainder of 25.
The next digit of our result is 1. 
Result so far: 18071.0
If we take 54 away from 79, we end up with 25.
Bring next digit (1) of the dividend behind the 25 and repeat the process: 251 / 54

Step 7:
The number 54 fits into 251 4 times, leaving a remainder of 35.
Use 4 as the next digit of our solution. 
Result so far: 180714.0
Deduct 216 from 251 and we're left with 35.
Bring next digit (2) of the dividend behind the 35 and repeat the process: 352 / 54

On to step 8:
54 can be fit into 352 6 times, resulting in a remainder of 28.
Put 6 as the next digit of the answer. 
Result so far: 1807146.0
The remainder is 28 after subtracting 324 from 352.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Step 9:
When dividing 280 by 54, we get 5 with a remainder of 10.
The number 5 becomes the next digit in our result. 
Result so far: 1807146.5
If we subtract 270 from 280, we get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Step 10:
If we divide 100 by 54, we get 1 and a remainder of 46.
Record the quotient 1 as the next digit in the result. 
Result so far: 1807146.51
If we subtract 54 from 100, we get 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

Step 11:
If we divide 460 by 54, we get 8 and a remainder of 28.
The next digit of our result is 8. 
Result so far: 1807146.518
If we subtract 432 from 460, we get 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Advancing to step 12:
280 divided by 54 is 5 with a remainder of 10.
Record the quotient 5 as the next digit in the result. 
Result so far: 1807146.5185
If we take 270 away from 280, we end up with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Let's proceed to step 13:
54 can be fit into 100 1 times, resulting in a remainder of 46.
The next digit of our result is 1. 
Result so far: 1807146.51851
Subtract 54 from 100 to get 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

Going ahead to step 14:
460 divided by 54 is 8 with a remainder of 28.
The next digit of our result is 8. 
Result so far: 1807146.518518
Subtracting 432 from 460 leaves us with 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Advancing to step 15:
54 goes into 280 5 times with a remainder of 10.
Write down 5 as next digit of the result. 
Result so far: 1807146.5185185
Deduct 270 from 280 and we're left with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Going ahead to step 16:
If we divide 100 by 54, we get 1 and a remainder of 46.
Use 1 as the next digit of our solution. 
Result so far: 1807146.51851851
Subtract 54 from 100 to get 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

The final outcome is 1807146.51851851, with a leftover of 4.6e-08.