56993845 has 16 divisors (see below), whose sum is σ = 72264960. Its totient is φ = 43081024.

The previous prime is 56993831. The next prime is 56993899. The reversal of 56993845 is 54839965.

56993845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56993845 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2634 + ... + 10996.

It is an arithmetic number, because the mean of its divisors is an integer number (4516560).

Almost surely, 2^56993845 is an apocalyptic number.

It is an amenable number.

56993845 is a deficient number, since it is larger than the sum of its proper divisors (15271115).

56993845 is a wasteful number, since it uses less digits than its factorization.

56993845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8444.

The product of its digits is 1166400, while the sum is 49.

The square root of 56993845 is about 7549.4267994332. The cubic root of 56993845 is about 384.8362602756.

The spelling of 56993845 in words is "fifty-six million, nine hundred ninety-three thousand, eight hundred forty-five".