56120656 has 10 divisors (see below), whose sum is σ = 108733802. Its totient is φ = 28060320.

The previous prime is 56120651. The next prime is 56120707. The reversal of 56120656 is 65602165.

It can be written as a sum of positive squares in only one way, i.e., 54997056 + 1123600 = 7416^2 + 1060^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56120651) by changing a digit.

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 as a sum of consecutive naturals, namely, 1753755 + ... + 1753786.

Almost surely, 2^56120656 is an apocalyptic number.

It is an amenable number.

56120656 is a deficient number, since it is larger than the sum of its proper divisors (52613146).

56120656 is a wasteful number, since it uses less digits than its factorization.

56120656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3507549 (or 3507543 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 56120656 is about 7491.3721039607. The cubic root of 56120656 is about 382.8608092447.

The spelling of 56120656 in words is "fifty-six million, one hundred twenty thousand, six hundred fifty-six".