56057205 has 8 divisors (see below), whose sum is σ = 89691552. Its totient is φ = 29897168.

The previous prime is 56057191. The next prime is 56057213. The reversal of 56057205 is 50275065.

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 56057205 - 2⁷ = 56057077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1868559 + ... + 1868588.

It is an arithmetic number, because the mean of its divisors is an integer number (11211444).

Almost surely, 2^56057205 is an apocalyptic number.

It is an amenable number.

56057205 is a deficient number, since it is larger than the sum of its proper divisors (33634347).

56057205 is a wasteful number, since it uses less digits than its factorization.

56057205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3737155.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 56057205 is about 7487.1359677783. The cubic root of 56057205 is about 382.7164651118.

The spelling of 56057205 in words is "fifty-six million, fifty-seven thousand, two hundred five".