56365 has 4 divisors (see below), whose sum is σ = 67644. Its totient is φ = 45088.

The previous prime is 56359. The next prime is 56369.

56365 is nontrivially palindromic in base 10.

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 17161 + 39204 = 131^2 + 198^2 .

It is a cyclic number.

It is not a de Polignac number, because 56365 - 2⁵ = 56333 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56369) 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, 5632 + ... + 5641.

It is an arithmetic number, because the mean of its divisors is an integer number (16911).

2⁵⁶³⁶⁵ is an apocalyptic number.

It is an amenable number.

56365 is a deficient number, since it is larger than the sum of its proper divisors (11279).

56365 is a wasteful number, since it uses less digits than its factorization.

56365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11278.

The product of its digits is 2700, while the sum is 25.

The square root of 56365 is about 237.4131420120. The cubic root of 56365 is about 38.3415651299.

The spelling of 56365 in words is "fifty-six thousand, three hundred sixty-five".