5050 divided by its sum of digits (10) gives a palindrome (505).
5050 divided by its product of nonzero digits (25) gives a palindrome (202).
Adding to 5050 its reverse (505), we get a palindrome (5555).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is an alternating number because its digits alternate between odd and even.
5050 is an undulating number in base 10.
It is a Kaprekar number, because its square (25502500) can be partitioned into two parts whose sum is 5050.
25050 is an apocalyptic number.
5050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
5050 is the 100-th triangular number.
5050 is the 34-th centered nonagonal number.
5050 is a wasteful number, since it uses less digits than its factorization.
5050 is an evil number, because the sum of its binary digits is even.
The square root of 5050 is about 71.0633520178. The cubic root of 5050 is about 17.1565697162.
The spelling of 5050 in words is "five thousand, fifty".