56065393 has 2 divisors, whose sum is σ = 56065394. Its totient is φ = 56065392.

The previous prime is 56065379. The next prime is 56065411. The reversal of 56065393 is 39356065.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39025009 + 17040384 = 6247^2 + 4128^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56065393 is a prime.

It is not a weakly prime, because it can be changed into another prime (56065343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28032696 + 28032697.

It is an arithmetic number, because the mean of its divisors is an integer number (28032697).

Almost surely, 2^56065393 is an apocalyptic number.

It is an amenable number.

56065393 is a deficient number, since it is larger than the sum of its proper divisors (1).

56065393 is an equidigital number, since it uses as much as digits as its factorization.

56065393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72900, while the sum is 37.

The square root of 56065393 is about 7487.6827523607. The cubic root of 56065393 is about 382.7350980413.

The spelling of 56065393 in words is "fifty-six million, sixty-five thousand, three hundred ninety-three".