We look at the division of 869437 by 53 
We're looking to find how many times 53 goes into 869437.

On to step 1:
8 divided by 53 is 0 with a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 8, we end up with 8.
Take the next digit (6) from the dividend and append it to 8, then repeat: 86 / 53

On to step 2:
53 can be fit into 86 1 times, resulting in a remainder of 33.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Subtract 53 from 86 to get 33.
Take the next digit (9) from the dividend and append it to 33, then repeat: 339 / 53

Going ahead to step 3:
The number 53 fits into 339 6 times, leaving a remainder of 21.
Use 6 as the next digit of our solution. 
Result so far: 16.0
The remainder is 21 after subtracting 318 from 339.
Take the next digit (4) from the dividend and append it to 21, then repeat: 214 / 53

Going ahead to step 4:
53 can be fit into 214 4 times, resulting in a remainder of 2.
Record the quotient 4 as the next digit in the result. 
Result so far: 164.0
If we take 212 away from 214, we end up with 2.
Fetch the next digit (3) from the dividend, attach it to 2 and continue: 23 / 53

Step 5:
The number 53 fits into 23 0 times, leaving a remainder of 23.
The next digit of our result is 0. 
Result so far: 1640.0
If we subtract 0 from 23, we get 23.
Fetch the next digit (7) from the dividend, attach it to 23 and continue: 237 / 53

Step 6:
237 divided by 53 is 4 with a remainder of 25.
The next digit of our result is 4. 
Result so far: 16404.0
If we subtract 212 from 237, we get 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Going ahead to step 7:
250 divided by 53 is 4 with a remainder of 38.
Record the quotient 4 as the next digit in the result. 
Result so far: 16404.4
The remainder is 38 after subtracting 212 from 250.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Going ahead to step 8:
53 can be fit into 380 7 times, resulting in a remainder of 9.
Put 7 as the next digit of the answer. 
Result so far: 16404.47
If we subtract 371 from 380, we get 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Advancing to step 9:
The number 53 fits into 90 1 times, leaving a remainder of 37.
The next digit of our result is 1. 
Result so far: 16404.471
If we take 53 away from 90, we end up with 37.
Since there are no more digits in the dividend, we add a zero to the remainder making it 370, and continue the process.

Advancing to step 10:
The number 53 fits into 370 6 times, leaving a remainder of 52.
Use 6 as the next digit of our solution. 
Result so far: 16404.4716
Deduct 318 from 370 and we're left 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.

Moving on to step 11:
53 goes into 520 9 times with a remainder of 43.
Record the quotient 9 as the next digit in the result. 
Result so far: 16404.47169
Subtracting 477 from 520 leaves us 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.

Moving on to step 12:
430 divided by 53 is 8 with a remainder of 6.
Write down 8 as next digit of the result. 
Result so far: 16404.471698
Subtracting 424 from 430 leaves us with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

On to step 13:
The number 53 fits into 60 1 times, leaving a remainder of 7.
Write down 1 as next digit of the result. 
Result so far: 16404.4716981
Deduct 53 from 60 and we're left 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.

Going ahead to step 14:
70 divided by 53 is 1 with a remainder of 17.
Record the quotient 1 as the next digit in the result. 
Result so far: 16404.47169811
Deduct 53 from 70 and we're left 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.

After the division, we end up with 16404.47169811 and a remainder of 1.7e-08.