525447 ÷ 25 
We want to figure out the number of times 525447 can be divided by 25.

Going ahead to step 1:
When dividing 5 by 25, we get 0 with a remainder of 5.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 5 leaves us with 5.
Bring next digit (2) of the dividend behind the 5 and repeat the process: 52 / 25

Going ahead to step 2:
If we divide 52 by 25, we get 2 and a remainder of 2.
Put 2 as the next digit of the answer. 
Result so far: 2.0
Deduct 50 from 52 and we're left with 2.
Include the next digit (5) from the dividend after 2, then repeat: 25 / 25

Step 3:
25 divided by 25 is 1 with a remainder of 0.
Put 1 as the next digit of the answer. 
Result so far: 21.0
Deduct 25 from 25 and we're left with 0.
Bring next digit (4) of the dividend behind the 0 and repeat the process: 4 / 25

On to step 4:
If we divide 4 by 25, we get 0 and a remainder of 4.
Record the quotient 0 as the next digit in the result. 
Result so far: 210.0
Deduct 0 from 4 and we're left with 4.
Append the next digit (4) from the dividend to 4 and continue with: 44 / 25

On to step 5:
25 goes into 44 1 times with a remainder of 19.
Record the quotient 1 as the next digit in the result. 
Result so far: 2101.0
Deduct 25 from 44 and we're left with 19.
Append the next digit (7) from the dividend to 19 and continue with: 197 / 25

Step 6:
When dividing 197 by 25, we get 7 with a remainder of 22.
Use 7 as the next digit of our solution. 
Result so far: 21017.0
If we subtract 175 from 197, we get 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Moving on to step 7:
220 divided by 25 is 8 with a remainder of 20.
Put 8 as the next digit of the answer. 
Result so far: 21017.8
Deduct 200 from 220 and we're left with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

On to step 8:
25 goes into 200 8 times with a remainder of 0.
Put 8 as the next digit of the answer. 
Result so far: 21017.88
The remainder is 0 after subtracting 200 from 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final result is 21017.88 with a remainder of 0.0.