50115187 has 2 divisors, whose sum is σ = 50115188. Its totient is φ = 50115186.

The previous prime is 50115119. The next prime is 50115209. The reversal of 50115187 is 78151105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50115187 - 2²³ = 41726579 is a prime.

It is not a weakly prime, because it can be changed into another prime (50155187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25057593 + 25057594.

It is an arithmetic number, because the mean of its divisors is an integer number (25057594).

Almost surely, 2^50115187 is an apocalyptic number.

50115187 is a deficient number, since it is larger than the sum of its proper divisors (1).

50115187 is an equidigital number, since it uses as much as digits as its factorization.

50115187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 28.

The square root of 50115187 is about 7079.2080771793. The cubic root of 50115187 is about 368.6858345885.

The spelling of 50115187 in words is "fifty million, one hundred fifteen thousand, one hundred eighty-seven".