56319 has 4 divisors (see below), whose sum is σ = 75096. Its totient is φ = 37544.

The previous prime is 56311. The next prime is 56333. The reversal of 56319 is 91365.

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

It is a cyclic number.

It is not a de Polignac number, because 56319 - 2³ = 56311 is a prime.

It is a super-2 number, since 2×56319² = 6343659522, which contains 22 as substring.

It is a D-number.

It is a plaindrome in base 8.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9384 + ... + 9389.

It is an arithmetic number, because the mean of its divisors is an integer number (18774).

2⁵⁶³¹⁹ is an apocalyptic number.

56319 is a deficient number, since it is larger than the sum of its proper divisors (18777).

56319 is a wasteful number, since it uses less digits than its factorization.

56319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18776.

The product of its digits is 810, while the sum is 24.

The square root of 56319 is about 237.3162447031. The cubic root of 56319 is about 38.3311319887.

The spelling of 56319 in words is "fifty-six thousand, three hundred nineteen".