56864886 has 16 divisors (see below), whose sum is σ = 122478384. Its totient is φ = 17496864.

The previous prime is 56864879. The next prime is 56864897. The reversal of 56864886 is 68846865.

It is a congruent number.

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, 364441 + ... + 364596.

It is an arithmetic number, because the mean of its divisors is an integer number (7654899).

Almost surely, 2^56864886 is an apocalyptic number.

56864886 is an abundant number, since it is smaller than the sum of its proper divisors (65613498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56864886 is a wasteful number, since it uses less digits than its factorization.

56864886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729055.

The product of its digits is 2211840, while the sum is 51.

The square root of 56864886 is about 7540.8809830152. The cubic root of 56864886 is about 384.5457869370.

The spelling of 56864886 in words is "fifty-six million, eight hundred sixty-four thousand, eight hundred eighty-six".