56905339 has 2 divisors, whose sum is σ = 56905340. Its totient is φ = 56905338.

The previous prime is 56905333. The next prime is 56905369. The reversal of 56905339 is 93350965.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56905339 is a prime.

It is not a weakly prime, because it can be changed into another prime (56905333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28452669 + 28452670.

It is an arithmetic number, because the mean of its divisors is an integer number (28452670).

Almost surely, 2^56905339 is an apocalyptic number.

56905339 is a deficient number, since it is larger than the sum of its proper divisors (1).

56905339 is an equidigital number, since it uses as much as digits as its factorization.

56905339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 109350, while the sum is 40.

The square root of 56905339 is about 7543.5627524400. The cubic root of 56905339 is about 384.6369524141.

The spelling of 56905339 in words is "fifty-six million, nine hundred five thousand, three hundred thirty-nine".