56554686015 has 32 divisors (see below), whose sum is σ = 90911808000. Its totient is φ = 30021352320.

The previous prime is 56554686007. The next prime is 56554686047. The reversal of 56554686015 is 51068645565.

It is not a de Polignac number, because 56554686015 - 2³ = 56554686007 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 3298936 + ... + 3316034.

It is an arithmetic number, because the mean of its divisors is an integer number (2840994000).

Almost surely, 2^56554686015 is an apocalyptic number.

56554686015 is a deficient number, since it is larger than the sum of its proper divisors (34357121985).

56554686015 is a wasteful number, since it uses less digits than its factorization.

56554686015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18127.

The product of its (nonzero) digits is 4320000, while the sum is 51.

The spelling of 56554686015 in words is "fifty-six billion, five hundred fifty-four million, six hundred eighty-six thousand, fifteen".