53866812 ÷ 981 
Let's see how many times 981 fits into 53866812.

Moving on to step 1:
5 divided by 981 is 0 with a remainder of 5.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 5 after subtracting 0 from 5.
Include the next digit (3) from the dividend after 5, then repeat: 53 / 981

On to step 2:
If we divide 53 by 981, we get 0 and a remainder of 53.
Put 0 as the next digit of the answer. 
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 / 981

Let's proceed to step 3:
538 divided by 981 is 0 with a remainder of 538.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 538, we get 538.
Include the next digit (6) from the dividend after 538, then repeat: 5386 / 981

Advancing to step 4:
The number 981 fits into 5386 5 times, leaving a remainder of 481.
The number 5 becomes the next digit in our result. 
Result so far: 5.0
The remainder is 481 after subtracting 4905 from 5386.
Fetch the next digit (6) from the dividend, attach it to 481 and continue: 4816 / 981

Advancing to step 5:
981 can be fit into 4816 4 times, resulting in a remainder of 892.
Write down 4 as next digit of the result. 
Result so far: 54.0
Subtracting 3924 from 4816 leaves us with 892.
Bring next digit (8) of the dividend behind the 892 and repeat the process: 8928 / 981

Going ahead to step 6:
The number 981 fits into 8928 9 times, leaving a remainder of 99.
The number 9 becomes the next digit in our result. 
Result so far: 549.0
Subtracting 8829 from 8928 leaves us with 99.
Append the next digit (1) from the dividend to 99 and continue with: 991 / 981

Moving on to step 7:
The number 981 fits into 991 1 times, leaving a remainder of 10.
The number 1 becomes the next digit in our result. 
Result so far: 5491.0
Subtract 981 from 991 to get 10.
Take the next digit (2) from the dividend and append it to 10, then repeat: 102 / 981

Step 8:
981 goes into 102 0 times with a remainder of 102.
The number 0 becomes the next digit in our result. 
Result so far: 54910.0
If we take 0 away from 102, we end up with 102.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1020, and continue the process.

Let's proceed to step 9:
If we divide 1020 by 981, we get 1 and a remainder of 39.
The next digit of our result is 1. 
Result so far: 54910.1
Deduct 981 from 1020 and we're left with 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

Advancing to step 10:
If we divide 390 by 981, we get 0 and a remainder of 390.
Put 0 as the next digit of the answer. 
Result so far: 54910.1
The remainder is 390 after subtracting 0 from 390.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3900, and continue the process.

On to step 11:
When dividing 3900 by 981, we get 3 with a remainder of 957.
Use 3 as the next digit of our solution. 
Result so far: 54910.103
Deduct 2943 from 3900 and we're left with 957.
Since there are no more digits in the dividend, we add a zero to the remainder making it 9570, and continue the process.

On to step 12:
981 can be fit into 9570 9 times, resulting in a remainder of 741.
The next digit of our result is 9. 
Result so far: 54910.1039
The remainder is 741 after subtracting 8829 from 9570.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7410, and continue the process.

Moving on to step 13:
981 can be fit into 7410 7 times, resulting in a remainder of 543.
Write down 7 as next digit of the result. 
Result so far: 54910.10397
The remainder is 543 after subtracting 6867 from 7410.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5430, and continue the process.

Moving on to step 14:
When dividing 5430 by 981, we get 5 with a remainder of 525.
Put 5 as the next digit of the answer. 
Result so far: 54910.103975
Subtracting 4905 from 5430 leaves us with 525.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5250, and continue the process.

Step 15:
The number 981 fits into 5250 5 times, leaving a remainder of 345.
Write down 5 as next digit of the result. 
Result so far: 54910.1039755
Subtract 4905 from 5250 to get 345.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3450, and continue the process.

After the division, we end up with 54910.1039755 and a remainder of 3.45e-06.