56165535 has 32 divisors (see below), whose sum is σ = 105727680. Its totient is φ = 28191744.

The previous prime is 56165533. The next prime is 56165537. The reversal of 56165535 is 53556165.

56165535 is a `hidden beast` number, since 5 + 61 + 65 + 535 = 666.

56165535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56165533) and next prime (56165537).

It is not a de Polignac number, because 56165535 - 2¹ = 56165533 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 56165535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56165533) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 9942 + ... + 14531.

It is an arithmetic number, because the mean of its divisors is an integer number (3303990).

Almost surely, 2^56165535 is an apocalyptic number.

56165535 is a deficient number, since it is larger than the sum of its proper divisors (49562145).

56165535 is a wasteful number, since it uses less digits than its factorization.

56165535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24504 (or 24498 counting only the distinct ones).

The product of its digits is 67500, while the sum is 36.

The square root of 56165535 is about 7494.3668845340. The cubic root of 56165535 is about 382.9628384162.

The spelling of 56165535 in words is "fifty-six million, one hundred sixty-five thousand, five hundred thirty-five".