56843665 has 16 divisors (see below), whose sum is σ = 73249920. Its totient is φ = 42192640.

The previous prime is 56843587. The next prime is 56843681. The reversal of 56843665 is 56634865.

It is not a de Polignac number, because 56843665 - 2¹³ = 56835473 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, 1326 + ... + 10744.

It is an arithmetic number, because the mean of its divisors is an integer number (4578120).

Almost surely, 2^56843665 is an apocalyptic number.

It is an amenable number.

56843665 is a deficient number, since it is larger than the sum of its proper divisors (16406255).

56843665 is a wasteful number, since it uses less digits than its factorization.

56843665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9512.

The product of its digits is 518400, while the sum is 43.

The square root of 56843665 is about 7539.4737880040. The cubic root of 56843665 is about 384.4979456883.

The spelling of 56843665 in words is "fifty-six million, eight hundred forty-three thousand, six hundred sixty-five".