56142645 has 24 divisors (see below), whose sum is σ = 97274016. Its totient is φ = 27638208.

The previous prime is 56142617. The next prime is 56142659. The reversal of 56142645 is 54624165.

It is not a de Polignac number, because 56142645 - 2⁵ = 56142613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8539 + ... + 13608.

It is an arithmetic number, because the mean of its divisors is an integer number (4053084).

Almost surely, 2^56142645 is an apocalyptic number.

It is an amenable number.

56142645 is a deficient number, since it is larger than the sum of its proper divisors (41131371).

56142645 is a wasteful number, since it uses less digits than its factorization.

56142645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22181 (or 22168 counting only the distinct ones).

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

The square root of 56142645 is about 7492.8395818942. The cubic root of 56142645 is about 382.9108064450.

The spelling of 56142645 in words is "fifty-six million, one hundred forty-two thousand, six hundred forty-five".