55568579 has 4 divisors (see below), whose sum is σ = 60620280. Its totient is φ = 50516880.

The previous prime is 55568543. The next prime is 55568587. The reversal of 55568579 is 97586555.

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 55568579 - 2⁸ = 55568323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55568509) 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, 2525834 + ... + 2525855.

It is an arithmetic number, because the mean of its divisors is an integer number (15155070).

Almost surely, 2^55568579 is an apocalyptic number.

55568579 is a deficient number, since it is larger than the sum of its proper divisors (5051701).

55568579 is a wasteful number, since it uses less digits than its factorization.

55568579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051700.

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

The square root of 55568579 is about 7454.4335130176. The cubic root of 55568579 is about 381.6012280996.

The spelling of 55568579 in words is "fifty-five million, five hundred sixty-eight thousand, five hundred seventy-nine".