644247 divided by 54 
We're looking to find how many times 54 goes into 644247.

Let's proceed to step 1:
54 can be fit into 6 0 times, resulting in a remainder of 6.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 6 after subtracting 0 from 6.
Bring next digit (4) of the dividend behind the 6 and repeat the process: 64 / 54

Going ahead to step 2:
54 goes into 64 1 times with a remainder of 10.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
If we take 54 away from 64, we end up with 10.
Bring next digit (4) of the dividend behind the 10 and repeat the process: 104 / 54

Moving on to step 3:
54 goes into 104 1 times with a remainder of 50.
Write down 1 as next digit of the result. 
Result so far: 11.0
Subtracting 54 from 104 leaves us with 50.
Grab the next digit (2) from the dividend, add it to 50, then carry on: 502 / 54

Step 4:
When dividing 502 by 54, we get 9 with a remainder of 16.
Use 9 as the next digit of our solution. 
Result so far: 119.0
Deduct 486 from 502 and we're left with 16.
Grab the next digit (4) from the dividend, add it to 16, then carry on: 164 / 54

Moving on to step 5:
54 goes into 164 3 times with a remainder of 2.
Use 3 as the next digit of our solution. 
Result so far: 1193.0
Deduct 162 from 164 and we're left with 2.
Fetch the next digit (7) from the dividend, attach it to 2 and continue: 27 / 54

Advancing to step 6:
54 can be fit into 27 0 times, resulting in a remainder of 27.
Record the quotient 0 as the next digit in the result. 
Result so far: 11930.0
Subtract 0 from 27 to get 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 7:
54 goes into 270 5 times with a remainder of 0.
The number 5 becomes the next digit in our result. 
Result so far: 11930.5
The remainder is 0 after subtracting 270 from 270.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

On to step 8:
The number 54 fits into 0 0 times, leaving a remainder of 0.
The next digit of our result is 0. 
Result so far: 11930.5
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 9:
When dividing 0 by 54, we get 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 11930.5
Subtract 0 from 0 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Our division results in 11930.5 with a remaining 0.0.