56442156 has 24 divisors (see below), whose sum is σ = 131894784. Its totient is φ = 18786000.

The previous prime is 56442151. The next prime is 56442203. The reversal of 56442156 is 65124465.

It is not an unprimeable number, because it can be changed into a prime (56442151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5881 + ... + 12143.

It is an arithmetic number, because the mean of its divisors is an integer number (5495616).

Almost surely, 2^56442156 is an apocalyptic number.

It is an amenable number.

56442156 is an abundant number, since it is smaller than the sum of its proper divisors (75452628).

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

56442156 is a wasteful number, since it uses less digits than its factorization.

56442156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7021 (or 7019 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 56442156 is about 7512.7994782238. The cubic root of 56442156 is about 383.5905194495.

The spelling of 56442156 in words is "fifty-six million, four hundred forty-two thousand, one hundred fifty-six".