56320319 has 4 divisors (see below), whose sum is σ = 61440360. Its totient is φ = 51200280.

The previous prime is 56320247. The next prime is 56320321. The reversal of 56320319 is 91302365.

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 56320319 - 2²⁴ = 39543103 is a prime.

It is a super-2 number, since 2×56320319² = 6343956664523522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56320291 and 56320300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56320339) 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, 2560004 + ... + 2560025.

It is an arithmetic number, because the mean of its divisors is an integer number (15360090).

Almost surely, 2^56320319 is an apocalyptic number.

56320319 is a deficient number, since it is larger than the sum of its proper divisors (5120041).

56320319 is a wasteful number, since it uses less digits than its factorization.

56320319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120040.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 56320319 is about 7504.6864691338. The cubic root of 56320319 is about 383.3143122677.

The spelling of 56320319 in words is "fifty-six million, three hundred twenty thousand, three hundred nineteen".