56559942 has 12 divisors (see below), whose sum is σ = 122546580. Its totient is φ = 18853308.

The previous prime is 56559931. The next prime is 56559973. The reversal of 56559942 is 24995565.

It is a happy number.

56559942 is a `hidden beast` number, since 5 + 6 + 559 + 94 + 2 = 666.

56559942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 5 ways as a sum of consecutive naturals, for example, 1571092 + ... + 1571127.

It is an arithmetic number, because the mean of its divisors is an integer number (10212215).

Almost surely, 2^56559942 is an apocalyptic number.

56559942 is an abundant number, since it is smaller than the sum of its proper divisors (65986638).

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

56559942 is a wasteful number, since it uses less digits than its factorization.

56559942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142227 (or 3142224 counting only the distinct ones).

The product of its digits is 486000, while the sum is 45.

The square root of 56559942 is about 7520.6344147286. The cubic root of 56559942 is about 383.8571653015.

The spelling of 56559942 in words is "fifty-six million, five hundred fifty-nine thousand, nine hundred forty-two".