551500080 has 80 divisors (see below), whose sum is σ = 1799646720. Its totient is φ = 139325184.

The previous prime is 551500063. The next prime is 551500091. The reversal of 551500080 is 80005155.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 551500080.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55912 + ... + 65031.

It is an arithmetic number, because the mean of its divisors is an integer number (22495584).

Almost surely, 2^551500080 is an apocalyptic number.

It is an amenable number.

551500080 is an abundant number, since it is smaller than the sum of its proper divisors (1248146640).

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

551500080 is a wasteful number, since it uses less digits than its factorization.

551500080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120978 (or 120972 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 551500080 is about 23484.0388349193. The cubic root of 551500080 is about 820.0654716710.

The spelling of 551500080 in words is "five hundred fifty-one million, five hundred thousand, eighty".