56455855465 has 16 divisors (see below), whose sum is σ = 68294983680. Its totient is φ = 44799531840.

The previous prime is 56455855457. The next prime is 56455855481.

56455855465 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56455855465 - 2³ = 56455855457 is a prime.

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, 5596296 + ... + 5606374.

It is an arithmetic number, because the mean of its divisors is an integer number (4268436480).

Almost surely, 2^56455855465 is an apocalyptic number.

It is an amenable number.

56455855465 is a deficient number, since it is larger than the sum of its proper divisors (11839128215).

56455855465 is a wasteful number, since it uses less digits than its factorization.

56455855465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19032.

The product of its digits is 72000000, while the sum is 58.

The spelling of 56455855465 in words is "fifty-six billion, four hundred fifty-five million, eight hundred fifty-five thousand, four hundred sixty-five".