56942018 has 12 divisors (see below), whose sum is σ = 99358182. Its totient is φ = 24403680.

The previous prime is 56941999. The next prime is 56942023. The reversal of 56942018 is 81024965.

It can be written as a sum of positive squares in only one way, i.e., 55995289 + 946729 = 7483^2 + 973^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 290423 + ... + 290618.

Almost surely, 2^56942018 is an apocalyptic number.

56942018 is a deficient number, since it is larger than the sum of its proper divisors (42416164).

56942018 is a wasteful number, since it uses less digits than its factorization.

56942018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581057 (or 581050 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 56942018 is about 7545.9935064907. The cubic root of 56942018 is about 384.7195754095.

The spelling of 56942018 in words is "fifty-six million, nine hundred forty-two thousand, eighteen".