56330993 has 2 divisors, whose sum is σ = 56330994. Its totient is φ = 56330992.

The previous prime is 56330971. The next prime is 56331019. The reversal of 56330993 is 39903365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53173264 + 3157729 = 7292^2 + 1777^2 .

It is a cyclic number.

It is not a de Polignac number, because 56330993 - 2⁸ = 56330737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (56330893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28165496 + 28165497.

It is an arithmetic number, because the mean of its divisors is an integer number (28165497).

Almost surely, 2^56330993 is an apocalyptic number.

It is an amenable number.

56330993 is a deficient number, since it is larger than the sum of its proper divisors (1).

56330993 is an equidigital number, since it uses as much as digits as its factorization.

56330993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65610, while the sum is 38.

The square root of 56330993 is about 7505.3975910674. The cubic root of 56330993 is about 383.3385263737.

The spelling of 56330993 in words is "fifty-six million, three hundred thirty thousand, nine hundred ninety-three".