56861235 has 12 divisors (see below), whose sum is σ = 98559552. Its totient is φ = 30325968.

The previous prime is 56861227. The next prime is 56861249. The reversal of 56861235 is 53216865.

56861235 is a `hidden beast` number, since 5 + 6 + 8 + 612 + 35 = 666.

56861235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56861235 - 2³ = 56861227 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 56861235.

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 11 ways as a sum of consecutive naturals, for example, 631747 + ... + 631836.

It is an arithmetic number, because the mean of its divisors is an integer number (8213296).

Almost surely, 2^56861235 is an apocalyptic number.

56861235 is a deficient number, since it is larger than the sum of its proper divisors (41698317).

56861235 is a wasteful number, since it uses less digits than its factorization.

56861235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263594 (or 1263591 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 56861235 is about 7540.6388986610. The cubic root of 56861235 is about 384.5375568627.

The spelling of 56861235 in words is "fifty-six million, eight hundred sixty-one thousand, two hundred thirty-five".