56008559 has 4 divisors (see below), whose sum is σ = 56027160. Its totient is φ = 55989960.

The previous prime is 56008543. The next prime is 56008571. The reversal of 56008559 is 95580065.

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 56008559 - 2⁴ = 56008543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56008529) 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, 3632 + ... + 11189.

It is an arithmetic number, because the mean of its divisors is an integer number (14006790).

Almost surely, 2^56008559 is an apocalyptic number.

56008559 is a deficient number, since it is larger than the sum of its proper divisors (18601).

56008559 is a wasteful number, since it uses less digits than its factorization.

56008559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18600.

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 56008559 is about 7483.8866239408. The cubic root of 56008559 is about 382.6057269639.

The spelling of 56008559 in words is "fifty-six million, eight thousand, five hundred fifty-nine".