50389399 has 2 divisors, whose sum is σ = 50389400. Its totient is φ = 50389398.

The previous prime is 50389393. The next prime is 50389433. The reversal of 50389399 is 99398305.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50389399 - 2⁷ = 50389271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50389393) 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, 25194699 + 25194700.

It is an arithmetic number, because the mean of its divisors is an integer number (25194700).

Almost surely, 2^50389399 is an apocalyptic number.

50389399 is a deficient number, since it is larger than the sum of its proper divisors (1).

50389399 is an equidigital number, since it uses as much as digits as its factorization.

50389399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 50389399 is about 7098.5490771002. The cubic root of 50389399 is about 369.3570499359.

The spelling of 50389399 in words is "fifty million, three hundred eighty-nine thousand, three hundred ninety-nine".