56164615 has 12 divisors (see below), whose sum is σ = 72981864. Its totient is φ = 41474784.

The previous prime is 56164609. The next prime is 56164639. The reversal of 56164615 is 51646165.

It is a happy number.

It is not a de Polignac number, because 56164615 - 2¹¹ = 56162567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32389 + ... + 34078.

It is an arithmetic number, because the mean of its divisors is an integer number (6081822).

Almost surely, 2^56164615 is an apocalyptic number.

56164615 is a deficient number, since it is larger than the sum of its proper divisors (16817249).

56164615 is a wasteful number, since it uses less digits than its factorization.

56164615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66498 (or 66485 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 56164615 is about 7494.3055048483. The cubic root of 56164615 is about 382.9607474083.

The spelling of 56164615 in words is "fifty-six million, one hundred sixty-four thousand, six hundred fifteen".