50399719 has 2 divisors, whose sum is σ = 50399720. Its totient is φ = 50399718.

The previous prime is 50399683. The next prime is 50399729. The reversal of 50399719 is 91799305.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50399719 - 2⁹ = 50399207 is a prime.

It is a super-2 number, since 2×50399719² = 5080263350557922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50399729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25199859 + 25199860.

It is an arithmetic number, because the mean of its divisors is an integer number (25199860).

Almost surely, 2^50399719 is an apocalyptic number.

50399719 is a deficient number, since it is larger than the sum of its proper divisors (1).

50399719 is an equidigital number, since it uses as much as digits as its factorization.

50399719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76545, while the sum is 43.

The square root of 50399719 is about 7099.2759489965. The cubic root of 50399719 is about 369.3822636028.

The spelling of 50399719 in words is "fifty million, three hundred ninety-nine thousand, seven hundred nineteen".