50161219 has 2 divisors, whose sum is σ = 50161220. Its totient is φ = 50161218.

The previous prime is 50161217. The next prime is 50161249. The reversal of 50161219 is 91216105.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50161219 - 2¹ = 50161217 is a prime.

It is a super-2 number, since 2×50161219² = 5032295783131922, which contains 22 as substring.

Together with 50161217, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 50161193 and 50161202.

It is not a weakly prime, because it can be changed into another prime (50161217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25080609 + 25080610.

It is an arithmetic number, because the mean of its divisors is an integer number (25080610).

Almost surely, 2^50161219 is an apocalyptic number.

50161219 is a deficient number, since it is larger than the sum of its proper divisors (1).

50161219 is an equidigital number, since it uses as much as digits as its factorization.

50161219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 50161219 is about 7082.4585420601. The cubic root of 50161219 is about 368.7986823020.

The spelling of 50161219 in words is "fifty million, one hundred sixty-one thousand, two hundred nineteen".