50519999 has 2 divisors, whose sum is σ = 50520000. Its totient is φ = 50519998.

The previous prime is 50519951. The next prime is 50520011. The reversal of 50519999 is 99991505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50519999 - 2⁸ = 50519743 is a prime.

It is a Sophie Germain prime.

50519999 is a modest number, since divided by 9999 gives 5051 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50519929) 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, 25259999 + 25260000.

It is an arithmetic number, because the mean of its divisors is an integer number (25260000).

Almost surely, 2^50519999 is an apocalyptic number.

50519999 is a deficient number, since it is larger than the sum of its proper divisors (1).

50519999 is an equidigital number, since it uses as much as digits as its factorization.

50519999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 164025, while the sum is 47.

The square root of 50519999 is about 7107.7421872209. The cubic root of 50519999 is about 369.6758763617.

The spelling of 50519999 in words is "fifty million, five hundred nineteen thousand, nine hundred ninety-nine".