Step 1: Divide the number into separate digits:
51763 => 5 1 7 6 3
Step 2: Calculate the distance between each digit and the next (the last digit with the first):
5 to 1 = 4
1 to 7 = 6
7 to 6 = 1
6 to 3 = 3
3 to 5 = 2
Step 3: Combine the filters to a string:
4 6 1 3 2 = 46132