56327813 has 4 divisors (see below), whose sum is σ = 56356608. Its totient is φ = 56299020.

The previous prime is 56327753. The next prime is 56327839. The reversal of 56327813 is 31872365.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56327813 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 (56327863) 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, 11231 + ... + 15452.

It is an arithmetic number, because the mean of its divisors is an integer number (14089152).

Almost surely, 2^56327813 is an apocalyptic number.

It is an amenable number.

56327813 is a deficient number, since it is larger than the sum of its proper divisors (28795).

56327813 is a wasteful number, since it uses less digits than its factorization.

56327813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28794.

The product of its digits is 30240, while the sum is 35.

The square root of 56327813 is about 7505.1857405397. The cubic root of 56327813 is about 383.3313128228.

The spelling of 56327813 in words is "fifty-six million, three hundred twenty-seven thousand, eight hundred thirteen".