211571 divided by 54 
The aim is to understand the frequency of 54 in 211571.

Let's proceed to step 1:
If we divide 2 by 54, we get 0 and a remainder of 2.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Take the next digit (1) from the dividend and append it to 2, then repeat: 21 / 54

Let's proceed to step 2:
54 goes into 21 0 times with a remainder of 21.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 21 to get 21.
Bring next digit (1) of the dividend behind the 21 and repeat the process: 211 / 54

Advancing to step 3:
The number 54 fits into 211 3 times, leaving a remainder of 49.
Record the quotient 3 as the next digit in the result. 
Result so far: 3.0
Subtract 162 from 211 to get 49.
Include the next digit (5) from the dividend after 49, then repeat: 495 / 54

Moving on to step 4:
When dividing 495 by 54, we get 9 with a remainder of 9.
The number 9 becomes the next digit in our result. 
Result so far: 39.0
Deduct 486 from 495 and we're left with 9.
Bring next digit (7) of the dividend behind the 9 and repeat the process: 97 / 54

Step 5:
The number 54 fits into 97 1 times, leaving a remainder of 43.
The next digit of our result is 1. 
Result so far: 391.0
Deduct 54 from 97 and we're left with 43.
Bring next digit (1) of the dividend behind the 43 and repeat the process: 431 / 54

On to step 6:
When dividing 431 by 54, we get 7 with a remainder of 53.
Record the quotient 7 as the next digit in the result. 
Result so far: 3917.0
The remainder is 53 after subtracting 378 from 431.
Since there are no more digits in the dividend, we add a zero to the remainder making it 530, and continue the process.

On to step 7:
54 goes into 530 9 times with a remainder of 44.
Write down 9 as next digit of the result. 
Result so far: 3917.9
If we subtract 486 from 530, we get 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

On to step 8:
If we divide 440 by 54, we get 8 and a remainder of 8.
Use 8 as the next digit of our solution. 
Result so far: 3917.98
If we subtract 432 from 440, we get 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Step 9:
80 divided by 54 is 1 with a remainder of 26.
Record the quotient 1 as the next digit in the result. 
Result so far: 3917.981
If we subtract 54 from 80, we get 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Moving on to step 10:
When dividing 260 by 54, we get 4 with a remainder of 44.
The next digit of our result is 4. 
Result so far: 3917.9814
If we take 216 away from 260, we end up with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Let's proceed to step 11:
54 goes into 440 8 times with a remainder of 8.
The number 8 becomes the next digit in our result. 
Result so far: 3917.98148
Subtract 432 from 440 to get 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Let's proceed to step 12:
If we divide 80 by 54, we get 1 and a remainder of 26.
Use 1 as the next digit of our solution. 
Result so far: 3917.981481
Deduct 54 from 80 and we're left with 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Step 13:
54 can be fit into 260 4 times, resulting in a remainder of 44.
Use 4 as the next digit of our solution. 
Result so far: 3917.9814814
Subtracting 216 from 260 leaves us with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Advancing to step 14:
The number 54 fits into 440 8 times, leaving a remainder of 8.
Write down 8 as next digit of the result. 
Result so far: 3917.98148148
If we take 432 away from 440, we end up with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

After the division, we end up with 3917.98148148 and a remainder of 8e-09.