56568081 has 4 divisors (see below), whose sum is σ = 75424112. Its totient is φ = 37712052.

The previous prime is 56568053. The next prime is 56568103. The reversal of 56568081 is 18086565.

56568081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 56568081 - 2¹⁰ = 56567057 is a prime.

It is a super-2 number, since 2×56568081² = 6399895576045122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56568041) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9428011 + ... + 9428016.

It is an arithmetic number, because the mean of its divisors is an integer number (18856028).

Almost surely, 2^56568081 is an apocalyptic number.

It is an amenable number.

56568081 is a deficient number, since it is larger than the sum of its proper divisors (18856031).

56568081 is a wasteful number, since it uses less digits than its factorization.

56568081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18856030.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 56568081 is about 7521.1755065282. The cubic root of 56568081 is about 383.8755768222.

The spelling of 56568081 in words is "fifty-six million, five hundred sixty-eight thousand, eighty-one".