56744644765 has 16 divisors (see below), whose sum is σ = 68529168576. Its totient is φ = 45105465600.

The previous prime is 56744644729. The next prime is 56744644783.

It is a happy number.

56744644765 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56744644765 - 2²⁵ = 56711090333 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 4493310 + ... + 4505920.

It is an arithmetic number, because the mean of its divisors is an integer number (4283073036).

Almost surely, 2^56744644765 is an apocalyptic number.

It is an amenable number.

56744644765 is a deficient number, since it is larger than the sum of its proper divisors (11784523811).

56744644765 is a wasteful number, since it uses less digits than its factorization.

56744644765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18300.

The product of its digits is 67737600, while the sum is 58.

The spelling of 56744644765 in words is "fifty-six billion, seven hundred forty-four million, six hundred forty-four thousand, seven hundred sixty-five".