56442162906 has 20 divisors (see below), whose sum is σ = 126472254282. Its totient is φ = 18814054248.

The previous prime is 56442162853. The next prime is 56442162919. The reversal of 56442162906 is 60926124465.

56442162906 is a `hidden beast` number, since 564 + 4 + 21 + 62 + 9 + 0 + 6 = 666.

56442162906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 48220207281 + 8221955625 = 219591^2 + 90675^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 174204045 + ... + 174204368.

Almost surely, 2^56442162906 is an apocalyptic number.

56442162906 is an abundant number, since it is smaller than the sum of its proper divisors (70030091376).

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

56442162906 is a wasteful number, since it uses less digits than its factorization.

56442162906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348408427 (or 348408418 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 56442162906 in words is "fifty-six billion, four hundred forty-two million, one hundred sixty-two thousand, nine hundred six".