56439323 has 4 divisors (see below), whose sum is σ = 56466648. Its totient is φ = 56412000.

The previous prime is 56439311. The next prime is 56439359. The reversal of 56439323 is 32393465.

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 56439323 - 2¹⁰ = 56438299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56439373) 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, 10286 + ... + 14787.

It is an arithmetic number, because the mean of its divisors is an integer number (14116662).

Almost surely, 2^56439323 is an apocalyptic number.

56439323 is a deficient number, since it is larger than the sum of its proper divisors (27325).

56439323 is a wasteful number, since it uses less digits than its factorization.

56439323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27324.

The product of its digits is 58320, while the sum is 35.

The square root of 56439323 is about 7512.6109309614. The cubic root of 56439323 is about 383.5841014917.

The spelling of 56439323 in words is "fifty-six million, four hundred thirty-nine thousand, three hundred twenty-three".