56308865 has 16 divisors (see below), whose sum is σ = 72161280. Its totient is φ = 42087360.

The previous prime is 56308859. The next prime is 56308871. The reversal of 56308865 is 56880365.

It is an interprime number because it is at equal distance from previous prime (56308859) and next prime (56308871).

It is not a de Polignac number, because 56308865 - 2¹⁶ = 56243329 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, 1769 + ... + 10758.

It is an arithmetic number, because the mean of its divisors is an integer number (4510080).

Almost surely, 2^56308865 is an apocalyptic number.

It is an amenable number.

56308865 is a deficient number, since it is larger than the sum of its proper divisors (15852415).

56308865 is a wasteful number, since it uses less digits than its factorization.

56308865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12592.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 56308865 is about 7503.9233071774. The cubic root of 56308865 is about 383.2883253185.

The spelling of 56308865 in words is "fifty-six million, three hundred eight thousand, eight hundred sixty-five".