51636121 ÷ 913 
We want to divide 51636121 by 913.

Step 1:
5 divided by 913 is 0 with a remainder of 5.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 5, we get 5.
Grab the next digit (1) from the dividend, add it to 5, then carry on: 51 / 913

Let's proceed to step 2:
If we divide 51 by 913, we get 0 and a remainder of 51.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 51 to get 51.
Append the next digit (6) from the dividend to 51 and continue with: 516 / 913

Advancing to step 3:
The number 913 fits into 516 0 times, leaving a remainder of 516.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 516 after subtracting 0 from 516.
Grab the next digit (3) from the dividend, add it to 516, then carry on: 5163 / 913

On to step 4:
5163 divided by 913 is 5 with a remainder of 598.
Record the quotient 5 as the next digit in the result. 
Result so far: 5.0
If we take 4565 away from 5163, we end up with 598.
Include the next digit (6) from the dividend after 598, then repeat: 5986 / 913

Advancing to step 5:
913 can be fit into 5986 6 times, resulting in a remainder of 508.
Put 6 as the next digit of the answer. 
Result so far: 56.0
If we subtract 5478 from 5986, we get 508.
Fetch the next digit (1) from the dividend, attach it to 508 and continue: 5081 / 913

Advancing to step 6:
The number 913 fits into 5081 5 times, leaving a remainder of 516.
Put 5 as the next digit of the answer. 
Result so far: 565.0
Subtracting 4565 from 5081 leaves us with 516.
Grab the next digit (2) from the dividend, add it to 516, then carry on: 5162 / 913

Let's proceed to step 7:
913 can be fit into 5162 5 times, resulting in a remainder of 597.
Write down 5 as next digit of the result. 
Result so far: 5655.0
Subtract 4565 from 5162 to get 597.
Include the next digit (1) from the dividend after 597, then repeat: 5971 / 913

Moving on to step 8:
The number 913 fits into 5971 6 times, leaving a remainder of 493.
Use 6 as the next digit of our solution. 
Result so far: 56556.0
Deduct 5478 from 5971 and we're left with 493.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4930, and continue the process.

Going ahead to step 9:
The number 913 fits into 4930 5 times, leaving a remainder of 365.
Use 5 as the next digit of our solution. 
Result so far: 56556.5
Deduct 4565 from 4930 and we're left with 365.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3650, and continue the process.

Step 10:
If we divide 3650 by 913, we get 3 and a remainder of 911.
The number 3 becomes the next digit in our result. 
Result so far: 56556.53
Subtract 2739 from 3650 to get 911.
Since there are no more digits in the dividend, we add a zero to the remainder making it 9110, and continue the process.

Moving on to step 11:
When dividing 9110 by 913, we get 9 with a remainder of 893.
Write down 9 as next digit of the result. 
Result so far: 56556.539
If we subtract 8217 from 9110, we get 893.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8930, and continue the process.

On to step 12:
8930 divided by 913 is 9 with a remainder of 713.
The number 9 becomes the next digit in our result. 
Result so far: 56556.5399
Subtract 8217 from 8930 to get 713.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7130, and continue the process.

Our division results in 56556.5399 with a remaining 0.00713.