56858189 has 4 divisors (see below), whose sum is σ = 56887740. Its totient is φ = 56828640.

The previous prime is 56858173. The next prime is 56858201. The reversal of 56858189 is 98185865.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34456900 + 22401289 = 5870^2 + 4733^2 .

It is a cyclic number.

It is not a de Polignac number, because 56858189 - 2⁴ = 56858173 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 (56858119) 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, 11672 + ... + 15809.

It is an arithmetic number, because the mean of its divisors is an integer number (14221935).

Almost surely, 2^56858189 is an apocalyptic number.

It is an amenable number.

56858189 is a deficient number, since it is larger than the sum of its proper divisors (29551).

56858189 is a wasteful number, since it uses less digits than its factorization.

56858189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29550.

The product of its digits is 691200, while the sum is 50.

The square root of 56858189 is about 7540.4369236802. The cubic root of 56858189 is about 384.5306903082.

The spelling of 56858189 in words is "fifty-six million, eight hundred fifty-eight thousand, one hundred eighty-nine".