551360880 has 120 divisors (see below), whose sum is σ = 2116194912. Its totient is φ = 126024192.

The previous prime is 551360863. The next prime is 551360911. The reversal of 551360880 is 88063155.

551360880 is a `hidden beast` number, since 5 + 513 + 60 + 8 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49659 + ... + 59738.

Almost surely, 2^551360880 is an apocalyptic number.

It is an amenable number.

551360880 is an abundant number, since it is smaller than the sum of its proper divisors (1564834032).

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

551360880 is a wasteful number, since it uses less digits than its factorization.

551360880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109423 (or 109414 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 551360880 is about 23481.0749328049. The cubic root of 551360880 is about 819.9964703398.

The spelling of 551360880 in words is "five hundred fifty-one million, three hundred sixty thousand, eight hundred eighty".