56365859 has 4 divisors (see below), whose sum is σ = 61490040. Its totient is φ = 51241680.

The previous prime is 56365853. The next prime is 56365861. The reversal of 56365859 is 95856365.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56365859 is a prime.

It is a super-2 number, since 2×56365859² = 6354220121615762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56365853) 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, 2562074 + ... + 2562095.

It is an arithmetic number, because the mean of its divisors is an integer number (15372510).

Almost surely, 2^56365859 is an apocalyptic number.

56365859 is a deficient number, since it is larger than the sum of its proper divisors (5124181).

56365859 is a wasteful number, since it uses less digits than its factorization.

56365859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5124180.

The product of its digits is 972000, while the sum is 47.

The square root of 56365859 is about 7507.7199601477. The cubic root of 56365859 is about 383.4175990344.

The spelling of 56365859 in words is "fifty-six million, three hundred sixty-five thousand, eight hundred fifty-nine".