56764665 has 16 divisors (see below), whose sum is σ = 100915200. Its totient is φ = 30274416.

The previous prime is 56764663. The next prime is 56764703. The reversal of 56764665 is 56646765.

56764665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56764665 - 2¹ = 56764663 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 56764665.

It is not an unprimeable number, because it can be changed into a prime (56764663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210105 + ... + 210374.

It is an arithmetic number, because the mean of its divisors is an integer number (6307200).

Almost surely, 2^56764665 is an apocalyptic number.

It is an amenable number.

56764665 is a deficient number, since it is larger than the sum of its proper divisors (44150535).

56764665 is a wasteful number, since it uses less digits than its factorization.

56764665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420493 (or 420487 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 56764665 is about 7534.2328740224. The cubic root of 56764665 is about 384.3197410151.

The spelling of 56764665 in words is "fifty-six million, seven hundred sixty-four thousand, six hundred sixty-five".