56995879 has 2 divisors, whose sum is σ = 56995880. Its totient is φ = 56995878.

The previous prime is 56995847. The next prime is 56995903. The reversal of 56995879 is 97859965.

56995879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56995879 - 2⁵ = 56995847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56995579) 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, 28497939 + 28497940.

It is an arithmetic number, because the mean of its divisors is an integer number (28497940).

Almost surely, 2^56995879 is an apocalyptic number.

56995879 is a deficient number, since it is larger than the sum of its proper divisors (1).

56995879 is an equidigital number, since it uses as much as digits as its factorization.

56995879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6123600, while the sum is 58.

The square root of 56995879 is about 7549.5615104455. The cubic root of 56995879 is about 384.8408382415.

The spelling of 56995879 in words is "fifty-six million, nine hundred ninety-five thousand, eight hundred seventy-nine".