56915442 has 24 divisors (see below), whose sum is σ = 127296000. Its totient is φ = 18359640.

The previous prime is 56915423. The next prime is 56915459. The reversal of 56915442 is 24451965.

56915442 is a `hidden beast` number, since 569 + 1 + 54 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 56915397 and 56915406.

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, 50442 + ... + 51557.

It is an arithmetic number, because the mean of its divisors is an integer number (5304000).

Almost surely, 2^56915442 is an apocalyptic number.

56915442 is an abundant number, since it is smaller than the sum of its proper divisors (70380558).

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

56915442 is a wasteful number, since it uses less digits than its factorization.

56915442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102038 (or 102035 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 56915442 is about 7544.2323665168. The cubic root of 56915442 is about 384.6597139408.

The spelling of 56915442 in words is "fifty-six million, nine hundred fifteen thousand, four hundred forty-two".