56580465855 has 16 divisors (see below), whose sum is σ = 91879922304. Its totient is φ = 29725856160.

The previous prime is 56580465847. The next prime is 56580465857. The reversal of 56580465855 is 55856408565.

It is not a de Polignac number, because 56580465855 - 2³ = 56580465847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56580465795 and 56580465804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56580465857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28148481 + ... + 28150490.

It is an arithmetic number, because the mean of its divisors is an integer number (5742495144).

Almost surely, 2^56580465855 is an apocalyptic number.

56580465855 is a deficient number, since it is larger than the sum of its proper divisors (35299456449).

56580465855 is a wasteful number, since it uses less digits than its factorization.

56580465855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56299046.

The product of its (nonzero) digits is 28800000, while the sum is 57.

The spelling of 56580465855 in words is "fifty-six billion, five hundred eighty million, four hundred sixty-five thousand, eight hundred fifty-five".