56033865 has 24 divisors (see below), whose sum is σ = 101350080. Its totient is φ = 28584864.

The previous prime is 56033849. The next prime is 56033903. The reversal of 56033865 is 56833065.

56033865 is a `hidden beast` number, since 560 + 3 + 38 + 65 = 666.

It is not a de Polignac number, because 56033865 - 2⁴ = 56033849 is a prime.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 26035 + ... + 28104.

It is an arithmetic number, because the mean of its divisors is an integer number (4222920).

Almost surely, 2^56033865 is an apocalyptic number.

It is an amenable number.

56033865 is a deficient number, since it is larger than the sum of its proper divisors (45316215).

56033865 is a wasteful number, since it uses less digits than its factorization.

56033865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54173 (or 54170 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 56033865 is about 7485.5771320587. The cubic root of 56033865 is about 382.6633417455.

The spelling of 56033865 in words is "fifty-six million, thirty-three thousand, eight hundred sixty-five".