56995993 has 2 divisors, whose sum is σ = 56995994. Its totient is φ = 56995992.

The previous prime is 56995987. The next prime is 56996033. The reversal of 56995993 is 39959965.

56995993 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., 54213769 + 2782224 = 7363^2 + 1668^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56995993 is a prime.

It is not a weakly prime, because it can be changed into another prime (56995903) 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, 28497996 + 28497997.

It is an arithmetic number, because the mean of its divisors is an integer number (28497997).

Almost surely, 2^56995993 is an apocalyptic number.

It is an amenable number.

56995993 is a deficient number, since it is larger than the sum of its proper divisors (1).

56995993 is an equidigital number, since it uses as much as digits as its factorization.

56995993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2952450, while the sum is 55.

The square root of 56995993 is about 7549.5690605491. The cubic root of 56995993 is about 384.8410948204.

The spelling of 56995993 in words is "fifty-six million, nine hundred ninety-five thousand, nine hundred ninety-three".