56604811 has 4 divisors (see below), whose sum is σ = 56805112. Its totient is φ = 56404512.

The previous prime is 56604803. The next prime is 56604833. The reversal of 56604811 is 11840665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56604811 - 2³ = 56604803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56604841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99726 + ... + 100291.

It is an arithmetic number, because the mean of its divisors is an integer number (14201278).

Almost surely, 2^56604811 is an apocalyptic number.

56604811 is a deficient number, since it is larger than the sum of its proper divisors (200301).

56604811 is a wasteful number, since it uses less digits than its factorization.

56604811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200300.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 56604811 is about 7523.6168828563. The cubic root of 56604811 is about 383.9586430974.

The spelling of 56604811 in words is "fifty-six million, six hundred four thousand, eight hundred eleven".