54859 ÷ 9 = 6095 R4
Alright, let's work through the division of 54859 by 9 step by step.

Step 1:
9 goes into 5 0 times with a remainder of 5.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 5 to get 5.
Bring next digit (4) of the dividend behind the 5 and repeat the process: 54 / 9

Step 2:
9 goes into 54 6 times with a remainder of 0.
Write down 6 as next digit of of the result. 
Result so far: 6
Subtract 54 from 54 to get 0.
Bring next digit (8) of the dividend behind the 0 and repeat the process: 8 / 9

Step 3:
9 goes into 8 0 times with a remainder of 8.
Write down 0 as next digit of of the result. 
Result so far: 60
Subtract 0 from 8 to get 8.
Bring next digit (5) of the dividend behind the 8 and repeat the process: 85 / 9

Step 4:
9 goes into 85 9 times with a remainder of 4.
Write down 9 as next digit of of the result. 
Result so far: 609
Subtract 81 from 85 to get 4.
Bring next digit (9) of the dividend behind the 4 and repeat the process: 49 / 9

Step 5:
9 goes into 49 5 times with a remainder of 4.
Write down 5 as next digit of of the result. 
Result so far: 6095
Subtract 45 from 49 to get 4.

The final result is 6095 with a remainder of 4.