50019911 has 2 divisors, whose sum is σ = 50019912. Its totient is φ = 50019910.

The previous prime is 50019887. The next prime is 50019919. The reversal of 50019911 is 11991005.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50019911 - 2⁶ = 50019847 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50019919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25009955 + 25009956.

It is an arithmetic number, because the mean of its divisors is an integer number (25009956).

Almost surely, 2^50019911 is an apocalyptic number.

50019911 is a deficient number, since it is larger than the sum of its proper divisors (1).

50019911 is an equidigital number, since it uses as much as digits as its factorization.

50019911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405, while the sum is 26.

The square root of 50019911 is about 7072.4755920399. The cubic root of 50019911 is about 368.4520452084.

The spelling of 50019911 in words is "fifty million, nineteen thousand, nine hundred eleven".