56513732 has 24 divisors (see below), whose sum is σ = 108192672. Its totient is φ = 25616000.

The previous prime is 56513719. The next prime is 56513747. The reversal of 56513732 is 23731565.

56513732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16043 + ... + 19245.

It is an arithmetic number, because the mean of its divisors is an integer number (4508028).

Almost surely, 2^56513732 is an apocalyptic number.

It is an amenable number.

56513732 is a deficient number, since it is larger than the sum of its proper divisors (51678940).

56513732 is a wasteful number, since it uses less digits than its factorization.

56513732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3619 (or 3617 counting only the distinct ones).

The product of its digits is 18900, while the sum is 32.

The square root of 56513732 is about 7517.5615727442. The cubic root of 56513732 is about 383.7525985246.

The spelling of 56513732 in words is "fifty-six million, five hundred thirteen thousand, seven hundred thirty-two".