56706864 has 40 divisors (see below), whose sum is σ = 146917680. Its totient is φ = 18847488.

The previous prime is 56706827. The next prime is 56706877. The reversal of 56706864 is 46860765.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17154 + ... + 20190.

It is an arithmetic number, because the mean of its divisors is an integer number (3672942).

Almost surely, 2^56706864 is an apocalyptic number.

It is an amenable number.

56706864 is an abundant number, since it is smaller than the sum of its proper divisors (90210816).

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

56706864 is a wasteful number, since it uses less digits than its factorization.

56706864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437 (or 3431 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 56706864 is about 7530.3960055232. The cubic root of 56706864 is about 384.1892513317.

The spelling of 56706864 in words is "fifty-six million, seven hundred six thousand, eight hundred sixty-four".