56868578 has 16 divisors (see below), whose sum is σ = 92815800. Its totient is φ = 25975296.

The previous prime is 56868521. The next prime is 56868589. The reversal of 56868578 is 87586865.

It can be written as a sum of positive squares in 4 ways, for example, as 52896529 + 3972049 = 7273^2 + 1993^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8753 + ... + 13796.

Almost surely, 2^56868578 is an apocalyptic number.

56868578 is a deficient number, since it is larger than the sum of its proper divisors (35947222).

56868578 is a wasteful number, since it uses less digits than its factorization.

56868578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22661.

The product of its digits is 3225600, while the sum is 53.

The square root of 56868578 is about 7541.1257780255. The cubic root of 56868578 is about 384.5541090752.

It can be divided in two parts, 5686857 and 8, that added together give a palindrome (5686865).

The spelling of 56868578 in words is "fifty-six million, eight hundred sixty-eight thousand, five hundred seventy-eight".