56807579 has 4 divisors (see below), whose sum is σ = 56823984. Its totient is φ = 56791176.

The previous prime is 56807567. The next prime is 56807581. The reversal of 56807579 is 97570865.

It is a happy number.

56807579 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.

It is a cyclic number.

It is not a de Polignac number, because 56807579 - 2¹⁶ = 56742043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56807479) 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, 752 + ... + 10685.

It is an arithmetic number, because the mean of its divisors is an integer number (14205996).

Almost surely, 2^56807579 is an apocalyptic number.

56807579 is a deficient number, since it is larger than the sum of its proper divisors (16405).

56807579 is a wasteful number, since it uses less digits than its factorization.

56807579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16404.

The product of its (nonzero) digits is 529200, while the sum is 47.

The square root of 56807579 is about 7537.0802702373. The cubic root of 56807579 is about 384.4165649986.

The spelling of 56807579 in words is "fifty-six million, eight hundred seven thousand, five hundred seventy-nine".