56593555 has 4 divisors (see below), whose sum is σ = 67912272. Its totient is φ = 45274840.

The previous prime is 56593549. The next prime is 56593573. The reversal of 56593555 is 55539565.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-56593555 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5659351 + ... + 5659360.

It is an arithmetic number, because the mean of its divisors is an integer number (16978068).

Almost surely, 2^56593555 is an apocalyptic number.

56593555 is a deficient number, since it is larger than the sum of its proper divisors (11318717).

56593555 is a wasteful number, since it uses less digits than its factorization.

56593555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11318716.

The product of its digits is 506250, while the sum is 43.

The square root of 56593555 is about 7522.8688011955. The cubic root of 56593555 is about 383.9331910500.

The spelling of 56593555 in words is "fifty-six million, five hundred ninety-three thousand, five hundred fifty-five".