50871187 has 2 divisors, whose sum is σ = 50871188. Its totient is φ = 50871186.

The previous prime is 50871179. The next prime is 50871211. The reversal of 50871187 is 78117805.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50871187 - 2³ = 50871179 is a prime.

It is not a weakly prime, because it can be changed into another prime (50871127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25435593 + 25435594.

It is an arithmetic number, because the mean of its divisors is an integer number (25435594).

Almost surely, 2^50871187 is an apocalyptic number.

50871187 is a deficient number, since it is larger than the sum of its proper divisors (1).

50871187 is an equidigital number, since it uses as much as digits as its factorization.

50871187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15680, while the sum is 37.

The square root of 50871187 is about 7132.4040126734. The cubic root of 50871187 is about 370.5304954189.

The spelling of 50871187 in words is "fifty million, eight hundred seventy-one thousand, one hundred eighty-seven".