56394239 has 8 divisors (see below), whose sum is σ = 63505920. Its totient is φ = 49613400.

The previous prime is 56394211. The next prime is 56394263. The reversal of 56394239 is 93249365.

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

It is a cyclic number.

It is not a de Polignac number, because 56394239 - 2¹² = 56390143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56394196 and 56394205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56394739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82349 + ... + 83030.

It is an arithmetic number, because the mean of its divisors is an integer number (7938240).

Almost surely, 2^56394239 is an apocalyptic number.

56394239 is a deficient number, since it is larger than the sum of its proper divisors (7111681).

56394239 is a wasteful number, since it uses less digits than its factorization.

56394239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165421.

The product of its digits is 174960, while the sum is 41.

The square root of 56394239 is about 7509.6097768126. The cubic root of 56394239 is about 383.4819380150.

The spelling of 56394239 in words is "fifty-six million, three hundred ninety-four thousand, two hundred thirty-nine".