56865717 has 12 divisors (see below), whose sum is σ = 82387500. Its totient is φ = 37795968.

The previous prime is 56865691. The next prime is 56865719. The reversal of 56865717 is 71756865.

It can be written as a sum of positive squares in 2 ways, for example, as 25796241 + 31069476 = 5079^2 + 5574^2 .

It is not a de Polignac number, because 56865717 - 2¹⁰ = 56864693 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56865719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6342 + ... + 12407.

It is an arithmetic number, because the mean of its divisors is an integer number (6865625).

Almost surely, 2^56865717 is an apocalyptic number.

It is an amenable number.

56865717 is a deficient number, since it is larger than the sum of its proper divisors (25521783).

56865717 is a wasteful number, since it uses less digits than its factorization.

56865717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19092 (or 19089 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The square root of 56865717 is about 7540.9360824768. The cubic root of 56865717 is about 384.5476601258.

The spelling of 56865717 in words is "fifty-six million, eight hundred sixty-five thousand, seven hundred seventeen".