Iam a seven digit number.My millions place is 5.My ten thousands place is the difference between my millions place and hundreds place.And my remaining place value is 0.What number am I.

Answer 1

so, start off with the millions place: 5,xxx,xxx

The rest is pretty vague. One possibility is

5,040,100

The 4,1 can be replaced with any other two values that add to 5.