56558994 has 8 divisors (see below), whose sum is σ = 113118000. Its totient is φ = 18852996.

The previous prime is 56558959. The next prime is 56559011. The reversal of 56558994 is 49985565.

56558994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

56558994 is an admirable number.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 4713244 + ... + 4713255.

It is an arithmetic number, because the mean of its divisors is an integer number (14139750).

Almost surely, 2^56558994 is an apocalyptic number.

56558994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56558994 is a wasteful number, since it uses less digits than its factorization.

56558994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9426504.

The product of its digits is 1944000, while the sum is 51.

The square root of 56558994 is about 7520.5713878667. The cubic root of 56558994 is about 383.8550206822.

The spelling of 56558994 in words is "fifty-six million, five hundred fifty-eight thousand, nine hundred ninety-four".