53880780 divided by 911 
The aim is to understand the frequency of 911 in 53880780.

On to step 1:
When dividing 5 by 911, we get 0 with a remainder of 5.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 5, we get 5.
Include the next digit (3) from the dividend after 5, then repeat: 53 / 911

Going ahead to step 2:
911 goes into 53 0 times with a remainder of 53.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 53 and we're left with 53.
Take the next digit (8) from the dividend and append it to 53, then repeat: 538 / 911

Step 3:
The number 911 fits into 538 0 times, leaving a remainder of 538.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 538 and we're left with 538.
Bring next digit (8) of the dividend behind the 538 and repeat the process: 5388 / 911

Advancing to step 4:
5388 divided by 911 is 5 with a remainder of 833.
Use 5 as the next digit of our solution. 
Result so far: 5.0
Subtracting 4555 from 5388 leaves us with 833.
Fetch the next digit (0) from the dividend, attach it to 833 and continue: 8330 / 911

Going ahead to step 5:
The number 911 fits into 8330 9 times, leaving a remainder of 131.
Record the quotient 9 as the next digit in the result. 
Result so far: 59.0
Subtract 8199 from 8330 to get 131.
Bring next digit (7) of the dividend behind the 131 and repeat the process: 1317 / 911

Let's proceed to step 6:
When dividing 1317 by 911, we get 1 with a remainder of 406.
Record the quotient 1 as the next digit in the result. 
Result so far: 591.0
Subtracting 911 from 1317 leaves us with 406.
Grab the next digit (8) from the dividend, add it to 406, then carry on: 4068 / 911

Step 7:
4068 divided by 911 is 4 with a remainder of 424.
Use 4 as the next digit of our solution. 
Result so far: 5914.0
Subtract 3644 from 4068 to get 424.
Include the next digit (0) from the dividend after 424, then repeat: 4240 / 911

Step 8:
The number 911 fits into 4240 4 times, leaving a remainder of 596.
Put 4 as the next digit of the answer. 
Result so far: 59144.0
Deduct 3644 from 4240 and we're left with 596.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5960, and continue the process.

On to step 9:
911 goes into 5960 6 times with a remainder of 494.
Put 6 as the next digit of the answer. 
Result so far: 59144.6
Subtract 5466 from 5960 to get 494.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4940, and continue the process.

Going ahead to step 10:
When dividing 4940 by 911, we get 5 with a remainder of 385.
Put 5 as the next digit of the answer. 
Result so far: 59144.65
Subtracting 4555 from 4940 leaves us with 385.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3850, and continue the process.

Let's proceed to step 11:
911 can be fit into 3850 4 times, resulting in a remainder of 206.
Put 4 as the next digit of the answer. 
Result so far: 59144.654
Deduct 3644 from 3850 and we're left with 206.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2060, and continue the process.

Moving on to step 12:
The number 911 fits into 2060 2 times, leaving a remainder of 238.
The next digit of our result is 2. 
Result so far: 59144.6542
Subtract 1822 from 2060 to get 238.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2380, and continue the process.

Moving on to step 13:
911 goes into 2380 2 times with a remainder of 558.
Write down 2 as next digit of the result. 
Result so far: 59144.65422
The remainder is 558 after subtracting 1822 from 2380.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5580, and continue the process.

The quotient of the division is 59144.65422, and the remainder is 0.000558.