56513792 has 18 divisors (see below), whose sum is σ = 112807338. Its totient is φ = 28256768.

The previous prime is 56513791. The next prime is 56513813. The reversal of 56513792 is 29731565.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 52765696 + 3748096 = 7264^2 + 1936^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56513791) 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, 110123 + ... + 110634.

Almost surely, 2^56513792 is an apocalyptic number.

It is an amenable number.

56513792 is a deficient number, since it is larger than the sum of its proper divisors (56293546).

56513792 is an equidigital number, since it uses as much as digits as its factorization.

56513792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220773 (or 220759 counting only the distinct ones).

The product of its digits is 56700, while the sum is 38.

The square root of 56513792 is about 7517.5655633988. The cubic root of 56513792 is about 383.7527343331.

The spelling of 56513792 in words is "fifty-six million, five hundred thirteen thousand, seven hundred ninety-two".