50111219 has 2 divisors, whose sum is σ = 50111220. Its totient is φ = 50111218.

The previous prime is 50111213. The next prime is 50111263. The reversal of 50111219 is 91211105.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50111219 is a prime.

It is a super-2 number, since 2×50111219² = 5022268539331922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50111219.

It is not a weakly prime, because it can be changed into another prime (50111213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25055609 + 25055610.

It is an arithmetic number, because the mean of its divisors is an integer number (25055610).

Almost surely, 2^50111219 is an apocalyptic number.

50111219 is a deficient number, since it is larger than the sum of its proper divisors (1).

50111219 is an equidigital number, since it uses as much as digits as its factorization.

50111219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 20.

The square root of 50111219 is about 7078.9278142950. The cubic root of 50111219 is about 368.6761037791.

The spelling of 50111219 in words is "fifty million, one hundred eleven thousand, two hundred nineteen".