56540965 has 16 divisors (see below), whose sum is σ = 74164608. Its totient is φ = 41126976.

The previous prime is 56540959. The next prime is 56540977. The reversal of 56540965 is 56904565.

It is a cyclic number.

It is not a de Polignac number, because 56540965 - 2¹⁵ = 56508197 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2137 + ... + 10846.

It is an arithmetic number, because the mean of its divisors is an integer number (4635288).

Almost surely, 2^56540965 is an apocalyptic number.

It is an amenable number.

56540965 is a deficient number, since it is larger than the sum of its proper divisors (17623643).

56540965 is a wasteful number, since it uses less digits than its factorization.

56540965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13068.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 56540965 is about 7519.3726467040. The cubic root of 56540965 is about 383.8142298952.

The spelling of 56540965 in words is "fifty-six million, five hundred forty thousand, nine hundred sixty-five".