56798993 has 2 divisors, whose sum is σ = 56798994. Its totient is φ = 56798992.

The previous prime is 56798971. The next prime is 56799031. The reversal of 56798993 is 39989765.

56798993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31225744 + 25573249 = 5588^2 + 5057^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56798993 is a prime.

It is a super-2 number, since 2×56798993² = 6452251211628098, which contains 22 as substring.

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 (56798933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28399496 + 28399497.

It is an arithmetic number, because the mean of its divisors is an integer number (28399497).

Almost surely, 2^56798993 is an apocalyptic number.

It is an amenable number.

56798993 is a deficient number, since it is larger than the sum of its proper divisors (1).

56798993 is an equidigital number, since it uses as much as digits as its factorization.

56798993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3674160, while the sum is 56.

The square root of 56798993 is about 7536.5106647573. The cubic root of 56798993 is about 384.3971968850.

The spelling of 56798993 in words is "fifty-six million, seven hundred ninety-eight thousand, nine hundred ninety-three".