56578835 has 16 divisors (see below), whose sum is σ = 70336512. Its totient is φ = 43663200.

The previous prime is 56578831. The next prime is 56578849. The reversal of 56578835 is 53887565.

It is not a de Polignac number, because 56578835 - 2² = 56578831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56578835.

It is not an unprimeable number, because it can be changed into a prime (56578831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14990 + ... + 18380.

It is an arithmetic number, because the mean of its divisors is an integer number (4396032).

Almost surely, 2^56578835 is an apocalyptic number.

56578835 is a deficient number, since it is larger than the sum of its proper divisors (13757677).

56578835 is a wasteful number, since it uses less digits than its factorization.

56578835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3514.

The product of its digits is 1008000, while the sum is 47.

The square root of 56578835 is about 7521.8903873960. The cubic root of 56578835 is about 383.8999011190.

The spelling of 56578835 in words is "fifty-six million, five hundred seventy-eight thousand, eight hundred thirty-five".