56856704 has 96 divisors (see below), whose sum is σ = 126821700. Its totient is φ = 25346048.

The previous prime is 56856703. The next prime is 56856719. The reversal of 56856704 is 40765865.

It can be written as a sum of positive squares in 6 ways, for example, as 49674304 + 7182400 = 7048^2 + 2680^2 .

It is not an unprimeable number, because it can be changed into a prime (56856703) 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, 1072742 + ... + 1072794.

Almost surely, 2^56856704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56856704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63410850).

56856704 is an abundant number, since it is smaller than the sum of its proper divisors (69964996).

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

56856704 is a wasteful number, since it uses less digits than its factorization.

56856704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 56856704 is about 7540.3384539422. The cubic root of 56856704 is about 384.5273426048.

The spelling of 56856704 in words is "fifty-six million, eight hundred fifty-six thousand, seven hundred four".