50185019 has 2 divisors, whose sum is σ = 50185020. Its totient is φ = 50185018.

The previous prime is 50185013. The next prime is 50185027. The reversal of 50185019 is 91058105.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50185019 is a prime.

It is a super-2 number, since 2×50185019² = 5037072264060722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 50184982 and 50185000.

It is not a weakly prime, because it can be changed into another prime (50185013) 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, 25092509 + 25092510.

It is an arithmetic number, because the mean of its divisors is an integer number (25092510).

Almost surely, 2^50185019 is an apocalyptic number.

50185019 is a deficient number, since it is larger than the sum of its proper divisors (1).

50185019 is an equidigital number, since it uses as much as digits as its factorization.

50185019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 29.

The square root of 50185019 is about 7084.1385503108. The cubic root of 50185019 is about 368.8570010655.

The spelling of 50185019 in words is "fifty million, one hundred eighty-five thousand, nineteen".