56456065465 has 32 divisors (see below), whose sum is σ = 69795893376. Its totient is φ = 43814561280.

The previous prime is 56456065451. The next prime is 56456065517.

56456065465 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56456065465 - 2¹⁵ = 56456032697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20962659 + ... + 20965351.

It is an arithmetic number, because the mean of its divisors is an integer number (2181121668).

Almost surely, 2^56456065465 is an apocalyptic number.

It is an amenable number.

56456065465 is a deficient number, since it is larger than the sum of its proper divisors (13339827911).

56456065465 is a wasteful number, since it uses less digits than its factorization.

56456065465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369.

The product of its (nonzero) digits is 12960000, while the sum is 52.

The spelling of 56456065465 in words is "fifty-six billion, four hundred fifty-six million, sixty-five thousand, four hundred sixty-five".