63439577 divided by 53 
We want to figure out the number of times 63439577 can be divided by 53.

Going ahead to step 1:
If we divide 6 by 53, we get 0 and a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 6 to get 6.
Grab the next digit (3) from the dividend, add it to 6, then carry on: 63 / 53

Going ahead to step 2:
When dividing 63 by 53, we get 1 with a remainder of 10.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Deduct 53 from 63 and we're left with 10.
Include the next digit (4) from the dividend after 10, then repeat: 104 / 53

Going ahead to step 3:
53 goes into 104 1 times with a remainder of 51.
Use 1 as the next digit of our solution. 
Result so far: 11.0
The remainder is 51 after subtracting 53 from 104.
Take the next digit (3) from the dividend and append it to 51, then repeat: 513 / 53

Step 4:
When dividing 513 by 53, we get 9 with a remainder of 36.
Record the quotient 9 as the next digit in the result. 
Result so far: 119.0
Deduct 477 from 513 and we're left with 36.
Include the next digit (9) from the dividend after 36, then repeat: 369 / 53

On to step 5:
53 goes into 369 6 times with a remainder of 51.
The number 6 becomes the next digit in our result. 
Result so far: 1196.0
Subtract 318 from 369 to get 51.
Append the next digit (5) from the dividend to 51 and continue with: 515 / 53

On to step 6:
The number 53 fits into 515 9 times, leaving a remainder of 38.
Record the quotient 9 as the next digit in the result. 
Result so far: 11969.0
Subtracting 477 from 515 leaves us with 38.
Take the next digit (7) from the dividend and append it to 38, then repeat: 387 / 53

Going ahead to step 7:
53 can be fit into 387 7 times, resulting in a remainder of 16.
The next digit of our result is 7. 
Result so far: 119697.0
Deduct 371 from 387 and we're left with 16.
Include the next digit (7) from the dividend after 16, then repeat: 167 / 53

On to step 8:
53 goes into 167 3 times with a remainder of 8.
The number 3 becomes the next digit in our result. 
Result so far: 1196973.0
If we subtract 159 from 167, 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.

Going ahead to step 9:
When dividing 80 by 53, we get 1 with a remainder of 27.
Record the quotient 1 as the next digit in the result. 
Result so far: 1196973.1
Deduct 53 from 80 and we're left with 27.
Since there are no more digits in the dividend, we add a zero to the remainder making it 270, and continue the process.

Step 10:
53 can be fit into 270 5 times, resulting in a remainder of 5.
Put 5 as the next digit of the answer. 
Result so far: 1196973.15
If we take 265 away from 270, we end up with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

On to step 11:
If we divide 50 by 53, we get 0 and a remainder of 50.
Use 0 as the next digit of our solution. 
Result so far: 1196973.15
Subtract 0 from 50 to get 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

On to step 12:
The number 53 fits into 500 9 times, leaving a remainder of 23.
Use 9 as the next digit of our solution. 
Result so far: 1196973.1509
The remainder is 23 after subtracting 477 from 500.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

On to step 13:
If we divide 230 by 53, we get 4 and a remainder of 18.
The number 4 becomes the next digit in our result. 
Result so far: 1196973.15094
Deduct 212 from 230 and we're left with 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Going ahead to step 14:
53 goes into 180 3 times with a remainder of 21.
Record the quotient 3 as the next digit in the result. 
Result so far: 1196973.150943
Subtracting 159 from 180 leaves us with 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

Let's proceed to step 15:
53 can be fit into 210 3 times, resulting in a remainder of 51.
Record the quotient 3 as the next digit in the result. 
Result so far: 1196973.1509433
The remainder is 51 after subtracting 159 from 210.
Since there are no more digits in the dividend, we add a zero to the remainder making it 510, and continue the process.

The final outcome is 1196973.1509433, with a leftover of 5.1e-07.