56322439 has 2 divisors, whose sum is σ = 56322440. Its totient is φ = 56322438.

The previous prime is 56322421. The next prime is 56322449. The reversal of 56322439 is 93422365.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56322439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56322449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28161219 + 28161220.

It is an arithmetic number, because the mean of its divisors is an integer number (28161220).

Almost surely, 2^56322439 is an apocalyptic number.

56322439 is a deficient number, since it is larger than the sum of its proper divisors (1).

56322439 is an equidigital number, since it uses as much as digits as its factorization.

56322439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 34.

The square root of 56322439 is about 7504.8277128792. The cubic root of 56322439 is about 383.3191217584.

The spelling of 56322439 in words is "fifty-six million, three hundred twenty-two thousand, four hundred thirty-nine".