505050005500 has 24 divisors (see below), whose sum is σ = 1103029213104. Its totient is φ = 202020002000.

The previous prime is 505050005483. The next prime is 505050005533. The reversal of 505050005500 is 5500050505.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505049506 + ... + 505050505.

It is an arithmetic number, because the mean of its divisors is an integer number (45959550546).

Almost surely, 2^505050005500 is an apocalyptic number.

505050005500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

505050005500 is an abundant number, since it is smaller than the sum of its proper divisors (597979207604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505050005500 is a wasteful number, since it uses less digits than its factorization.

505050005500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010100030 (or 1010100018 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 25.

It can be divided in two parts, 505050005 and 500, that added together give a palindrome (505050505).

The spelling of 505050005500 in words is "five hundred five billion, fifty million, five thousand, five hundred".