56189465 has 4 divisors (see below), whose sum is σ = 67427364. Its totient is φ = 44951568.

The previous prime is 56189449. The next prime is 56189467. The reversal of 56189465 is 56498165.

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 25928464 + 30261001 = 5092^2 + 5501^2 .

It is a cyclic number.

It is not a de Polignac number, because 56189465 - 2⁴ = 56189449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56189467) 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, 5618942 + ... + 5618951.

It is an arithmetic number, because the mean of its divisors is an integer number (16856841).

Almost surely, 2^56189465 is an apocalyptic number.

It is an amenable number.

56189465 is a deficient number, since it is larger than the sum of its proper divisors (11237899).

56189465 is a wasteful number, since it uses less digits than its factorization.

56189465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11237898.

The product of its digits is 259200, while the sum is 44.

The square root of 56189465 is about 7495.9632469750. The cubic root of 56189465 is about 383.0172193309.

The spelling of 56189465 in words is "fifty-six million, one hundred eighty-nine thousand, four hundred sixty-five".