56165733 has 12 divisors (see below), whose sum is σ = 87369100. Its totient is φ = 34563456.

The previous prime is 56165723. The next prime is 56165749. The reversal of 56165733 is 33756165.

It is a happy number.

56165733 is a `hidden beast` number, since 5 + 616 + 5 + 7 + 33 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21095649 + 35070084 = 4593^2 + 5922^2 .

It is a de Polignac number, because none of the positive numbers 2^k-56165733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56165713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239908 + ... + 240141.

Almost surely, 2^56165733 is an apocalyptic number.

It is an amenable number.

56165733 is a deficient number, since it is larger than the sum of its proper divisors (31203367).

56165733 is a wasteful number, since it uses less digits than its factorization.

56165733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480068 (or 480065 counting only the distinct ones).

The product of its digits is 56700, while the sum is 36.

The square root of 56165733 is about 7494.3800944441. The cubic root of 56165733 is about 382.9632884345.

The spelling of 56165733 in words is "fifty-six million, one hundred sixty-five thousand, seven hundred thirty-three".