56915842 has 16 divisors (see below), whose sum is σ = 88084152. Its totient is φ = 27561600.

The previous prime is 56915821. The next prime is 56915863. The reversal of 56915842 is 24851965.

56915842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56915821) and next prime (56915863).

It can be written as a sum of positive squares in 4 ways, for example, as 44742721 + 12173121 = 6689^2 + 3489^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56915795 and 56915804.

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 7 ways as a sum of consecutive naturals, for example, 15592 + ... + 18892.

Almost surely, 2^56915842 is an apocalyptic number.

56915842 is a deficient number, since it is larger than the sum of its proper divisors (31168310).

56915842 is a wasteful number, since it uses less digits than its factorization.

56915842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3573.

The product of its digits is 86400, while the sum is 40.

The square root of 56915842 is about 7544.2588767884. The cubic root of 56915842 is about 384.6606150643.

The spelling of 56915842 in words is "fifty-six million, nine hundred fifteen thousand, eight hundred forty-two".