56557205 has 8 divisors (see below), whose sum is σ = 71440800. Its totient is φ = 42864336.

The previous prime is 56557177. The next prime is 56557211. The reversal of 56557205 is 50275565.

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

It is a cyclic number.

It is not a de Polignac number, because 56557205 - 2⁶ = 56557141 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297575 + ... + 297764.

It is an arithmetic number, because the mean of its divisors is an integer number (8930100).

Almost surely, 2^56557205 is an apocalyptic number.

It is an amenable number.

56557205 is a deficient number, since it is larger than the sum of its proper divisors (14883595).

56557205 is a wasteful number, since it uses less digits than its factorization.

56557205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595363.

The product of its (nonzero) digits is 52500, while the sum is 35.

The square root of 56557205 is about 7520.4524464955. The cubic root of 56557205 is about 383.8509734398.

The spelling of 56557205 in words is "fifty-six million, five hundred fifty-seven thousand, two hundred five".