56855579 has 8 divisors (see below), whose sum is σ = 62341488. Its totient is φ = 51422560.

The previous prime is 56855567. The next prime is 56855641. The reversal of 56855579 is 97555865.

56855579 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56855579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56855779) 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 7 ways as a sum of consecutive naturals, for example, 10952 + ... + 15285.

It is an arithmetic number, because the mean of its divisors is an integer number (7792686).

Almost surely, 2^56855579 is an apocalyptic number.

56855579 is a deficient number, since it is larger than the sum of its proper divisors (5485909).

56855579 is a wasteful number, since it uses less digits than its factorization.

56855579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26445.

The product of its digits is 1890000, while the sum is 50.

The square root of 56855579 is about 7540.2638547998. The cubic root of 56855579 is about 384.5248064271.

The spelling of 56855579 in words is "fifty-six million, eight hundred fifty-five thousand, five hundred seventy-nine".