50155102219 has 2 divisors, whose sum is σ = 50155102220. Its totient is φ = 50155102218.

The previous prime is 50155102187. The next prime is 50155102229. The reversal of 50155102219 is 91220155105.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50155102219 - 2⁵ = 50155102187 is a prime.

It is a super-2 number, since 2×50155102219² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50155102229) 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, 25077551109 + 25077551110.

It is an arithmetic number, because the mean of its divisors is an integer number (25077551110).

Almost surely, 2^50155102219 is an apocalyptic number.

50155102219 is a deficient number, since it is larger than the sum of its proper divisors (1).

50155102219 is an equidigital number, since it uses as much as digits as its factorization.

50155102219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 50155102219 in words is "fifty billion, one hundred fifty-five million, one hundred two thousand, two hundred nineteen".