56513335 has 4 divisors (see below), whose sum is σ = 67816008. Its totient is φ = 45210664.

The previous prime is 56513311. The next prime is 56513351. The reversal of 56513335 is 53331565.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56513335 - 2⁷ = 56513207 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56513297 and 56513306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5651329 + ... + 5651338.

It is an arithmetic number, because the mean of its divisors is an integer number (16954002).

Almost surely, 2^56513335 is an apocalyptic number.

56513335 is a deficient number, since it is larger than the sum of its proper divisors (11302673).

56513335 is a wasteful number, since it uses less digits than its factorization.

56513335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11302672.

The product of its digits is 20250, while the sum is 31.

The square root of 56513335 is about 7517.5351678592. The cubic root of 56513335 is about 383.7516999221.

The spelling of 56513335 in words is "fifty-six million, five hundred thirteen thousand, three hundred thirty-five".