641988 divided by 53 
Let's see how many times 53 fits into 641988.

Step 1:
If we divide 6 by 53, we get 0 and a remainder of 6.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 6 after subtracting 0 from 6.
Take the next digit (4) from the dividend and append it to 6, then repeat: 64 / 53

Moving on to step 2:
The number 53 fits into 64 1 times, leaving a remainder of 11.
Write down 1 as next digit of the result. 
Result so far: 1.0
The remainder is 11 after subtracting 53 from 64.
Fetch the next digit (1) from the dividend, attach it to 11 and continue: 111 / 53

On to step 3:
53 goes into 111 2 times with a remainder of 5.
The number 2 becomes the next digit in our result. 
Result so far: 12.0
If we subtract 106 from 111, we get 5.
Bring next digit (9) of the dividend behind the 5 and repeat the process: 59 / 53

Step 4:
53 can be fit into 59 1 times, resulting in a remainder of 6.
Write down 1 as next digit of the result. 
Result so far: 121.0
If we take 53 away from 59, we end up with 6.
Append the next digit (8) from the dividend to 6 and continue with: 68 / 53

Going ahead to step 5:
53 goes into 68 1 times with a remainder of 15.
Use 1 as the next digit of our solution. 
Result so far: 1211.0
Subtracting 53 from 68 leaves us with 15.
Include the next digit (8) from the dividend after 15, then repeat: 158 / 53

Moving on to step 6:
The number 53 fits into 158 2 times, leaving a remainder of 52.
Use 2 as the next digit of our solution. 
Result so far: 12112.0
Subtracting 106 from 158 leaves us with 52.
Since there are no more digits in the dividend, we add a zero to the remainder making it 520, and continue the process.

Going ahead to step 7:
520 divided by 53 is 9 with a remainder of 43.
Write down 9 as next digit of the result. 
Result so far: 12112.9
If we take 477 away from 520, we end up with 43.
Since there are no more digits in the dividend, we add a zero to the remainder making it 430, and continue the process.

Advancing to step 8:
53 goes into 430 8 times with a remainder of 6.
Write down 8 as next digit of the result. 
Result so far: 12112.98
If we subtract 424 from 430, we get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Moving on to step 9:
60 divided by 53 is 1 with a remainder of 7.
Use 1 as the next digit of our solution. 
Result so far: 12112.981
Subtracting 53 from 60 leaves us with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Advancing to step 10:
53 goes into 70 1 times with a remainder of 17.
Record the quotient 1 as the next digit in the result. 
Result so far: 12112.9811
Subtracting 53 from 70 leaves us with 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

The final result is 12112.9811 with a remainder of 0.00017.