Step 1: Divide the number into separate digits:
44952 => 4 4 9 5 2
Step 2: Calculate the distance between each digit and the next (the last digit with the first):
4 to 4 = 0
4 to 9 = 5
9 to 5 = 4
5 to 2 = 3
2 to 4 = 2
Step 3: Combine the filters to a string:
0 5 4 3 2 = 05432