50668399 has 2 divisors, whose sum is σ = 50668400. Its totient is φ = 50668398.

The previous prime is 50668393. The next prime is 50668441. The reversal of 50668399 is 99386605.

50668399 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 is a cyclic number.

It is not a de Polignac number, because 50668399 - 2⁷ = 50668271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50668393) 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, 25334199 + 25334200.

It is an arithmetic number, because the mean of its divisors is an integer number (25334200).

Almost surely, 2^50668399 is an apocalyptic number.

50668399 is a deficient number, since it is larger than the sum of its proper divisors (1).

50668399 is an equidigital number, since it uses as much as digits as its factorization.

50668399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 50668399 is about 7118.1738528923. The cubic root of 50668399 is about 370.0374907226.

The spelling of 50668399 in words is "fifty million, six hundred sixty-eight thousand, three hundred ninety-nine".