56318 has 8 divisors (see below), whose sum is σ = 87480. Its totient is φ = 27160.

The previous prime is 56311. The next prime is 56333. The reversal of 56318 is 81365.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 56293 and 56302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56311) by changing a digit.

56318 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 428 + ... + 543.

It is an arithmetic number, because the mean of its divisors is an integer number (10935).

2⁵⁶³¹⁸ is an apocalyptic number.

56318 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

56318 is a deficient number, since it is larger than the sum of its proper divisors (31162).

56318 is a wasteful number, since it uses less digits than its factorization.

56318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002.

The product of its digits is 720, while the sum is 23.

The square root of 56318 is about 237.3141378005. The cubic root of 56318 is about 38.3309051182.

The spelling of 56318 in words is "fifty-six thousand, three hundred eighteen".