56885643 has 6 divisors (see below), whose sum is σ = 82168164. Its totient is φ = 37923756.

The previous prime is 56885641. The next prime is 56885659. The reversal of 56885643 is 34658865.

56885643 is a `hidden beast` number, since 5 + 6 + 88 + 564 + 3 = 666.

It is not a de Polignac number, because 56885643 - 2¹ = 56885641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56885641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3160305 + ... + 3160322.

It is an arithmetic number, because the mean of its divisors is an integer number (13694694).

Almost surely, 2^56885643 is an apocalyptic number.

56885643 is a deficient number, since it is larger than the sum of its proper divisors (25282521).

56885643 is a wasteful number, since it uses less digits than its factorization.

56885643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6320633 (or 6320630 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 56885643 is about 7542.2571555205. The cubic root of 56885643 is about 384.5925706170.

The spelling of 56885643 in words is "fifty-six million, eight hundred eighty-five thousand, six hundred forty-three".