500005500 has 48 divisors (see below), whose sum is σ = 1456020384. Its totient is φ = 133334400.

The previous prime is 500005489. The next prime is 500005511. The reversal of 500005500 is 5500005.

It is an interprime number because it is at equal distance from previous prime (500005489) and next prime (500005511).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

500005500 is a modest number, since divided by 5500 gives 500 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 500005500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165169 + ... + 168168.

It is an arithmetic number, because the mean of its divisors is an integer number (30333758).

Almost surely, 2^500005500 is an apocalyptic number.

500005500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

500005500 is an abundant number, since it is smaller than the sum of its proper divisors (956014884).

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

500005500 is a wasteful number, since it uses less digits than its factorization.

500005500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333359 (or 333347 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 15.

The square root of 500005500 is about 22360.8027583985. The cubic root of 500005500 is about 793.7034362087.

Adding to 500005500 its reverse (5500005), we get a palindrome (505505505).

The spelling of 500005500 in words is "five hundred million, five thousand, five hundred".