56868257 has 8 divisors (see below), whose sum is σ = 57695040. Its totient is φ = 56046960.

The previous prime is 56868233. The next prime is 56868263. The reversal of 56868257 is 75286865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56868257 - 2¹⁰ = 56867233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56868157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22382 + ... + 24792.

It is an arithmetic number, because the mean of its divisors is an integer number (7211880).

Almost surely, 2^56868257 is an apocalyptic number.

It is an amenable number.

56868257 is a deficient number, since it is larger than the sum of its proper divisors (826783).

56868257 is a wasteful number, since it uses less digits than its factorization.

56868257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2743.

The product of its digits is 806400, while the sum is 47.

The square root of 56868257 is about 7541.1044947010. The cubic root of 56868257 is about 384.5533855234.

The spelling of 56868257 in words is "fifty-six million, eight hundred sixty-eight thousand, two hundred fifty-seven".