50115619 has 2 divisors, whose sum is σ = 50115620. Its totient is φ = 50115618.

The previous prime is 50115617. The next prime is 50115629. The reversal of 50115619 is 91651105.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50115619 - 2¹ = 50115617 is a prime.

It is a super-2 number, since 2×50115619² = 5023150535506322, which contains 22 as substring.

Together with 50115617, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (50115617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25057809 + 25057810.

It is an arithmetic number, because the mean of its divisors is an integer number (25057810).

Almost surely, 2^50115619 is an apocalyptic number.

50115619 is a deficient number, since it is larger than the sum of its proper divisors (1).

50115619 is an equidigital number, since it uses as much as digits as its factorization.

50115619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 28.

The square root of 50115619 is about 7079.2385890009. The cubic root of 50115619 is about 368.6868939601.

The spelling of 50115619 in words is "fifty million, one hundred fifteen thousand, six hundred nineteen".