56033985 has 32 divisors (see below), whose sum is σ = 104405760. Its totient is φ = 25129728.

The previous prime is 56033963. The next prime is 56034029. The reversal of 56033985 is 58933065.

It is not a de Polignac number, because 56033985 - 2⁵ = 56033953 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 31 ways as a sum of consecutive naturals, for example, 531 + ... + 10599.

It is an arithmetic number, because the mean of its divisors is an integer number (3262680).

Almost surely, 2^56033985 is an apocalyptic number.

It is an amenable number.

56033985 is a deficient number, since it is larger than the sum of its proper divisors (48371775).

56033985 is a wasteful number, since it uses less digits than its factorization.

56033985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10137.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 56033985 is about 7485.5851474684. The cubic root of 56033985 is about 382.6636149110.

The spelling of 56033985 in words is "fifty-six million, thirty-three thousand, nine hundred eighty-five".