56031894 has 24 divisors (see below), whose sum is σ = 121986072. Its totient is φ = 18587520.

The previous prime is 56031883. The next prime is 56031901. The reversal of 56031894 is 49813065.

56031894 is a `hidden beast` number, since 560 + 3 + 1 + 8 + 94 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3579 + ... + 11174.

It is an arithmetic number, because the mean of its divisors is an integer number (5082753).

Almost surely, 2^56031894 is an apocalyptic number.

56031894 is an abundant number, since it is smaller than the sum of its proper divisors (65954178).

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

56031894 is a wasteful number, since it uses less digits than its factorization.

56031894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14972 (or 14969 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 56031894 is about 7485.4454777254. The cubic root of 56031894 is about 382.6588549451.

The spelling of 56031894 in words is "fifty-six million, thirty-one thousand, eight hundred ninety-four".