56317 has 4 divisors (see below), whose sum is σ = 56800. Its totient is φ = 55836.

The previous prime is 56311. The next prime is 56333. The reversal of 56317 is 71365.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 56317 - 2¹¹ = 54269 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 (56311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58 + ... + 340.

It is an arithmetic number, because the mean of its divisors is an integer number (14200).

2⁵⁶³¹⁷ is an apocalyptic number.

It is an amenable number.

56317 is a deficient number, since it is larger than the sum of its proper divisors (483).

56317 is a wasteful number, since it uses less digits than its factorization.

56317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482.

The product of its digits is 630, while the sum is 22.

The square root of 56317 is about 237.3120308792. The cubic root of 56317 is about 38.3306782450.

It can be divided in two parts, 56 and 317, that added together give a palindrome (373).

The spelling of 56317 in words is "fifty-six thousand, three hundred seventeen".