56662756 has 6 divisors (see below), whose sum is σ = 99159830. Its totient is φ = 28331376.

The previous prime is 56662747. The next prime is 56662759. The reversal of 56662756 is 65726665.

It can be written as a sum of positive squares in only one way, i.e., 55741156 + 921600 = 7466^2 + 960^2 .

It is not an unprimeable number, because it can be changed into a prime (56662759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7082841 + ... + 7082848.

Almost surely, 2^56662756 is an apocalyptic number.

It is an amenable number.

56662756 is a deficient number, since it is larger than the sum of its proper divisors (42497074).

56662756 is a wasteful number, since it uses less digits than its factorization.

56662756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14165693 (or 14165691 counting only the distinct ones).

The product of its digits is 453600, while the sum is 43.

The square root of 56662756 is about 7527.4667717633. The cubic root of 56662756 is about 384.0896148631.

The spelling of 56662756 in words is "fifty-six million, six hundred sixty-two thousand, seven hundred fifty-six".