50187287 has 2 divisors, whose sum is σ = 50187288. Its totient is φ = 50187286.

The previous prime is 50187271. The next prime is 50187289. The reversal of 50187287 is 78278105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50187287 - 2⁴ = 50187271 is a prime.

Together with 50187289, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50187287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50187289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25093643 + 25093644.

It is an arithmetic number, because the mean of its divisors is an integer number (25093644).

Almost surely, 2^50187287 is an apocalyptic number.

50187287 is a deficient number, since it is larger than the sum of its proper divisors (1).

50187287 is an equidigital number, since it uses as much as digits as its factorization.

50187287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31360, while the sum is 38.

The square root of 50187287 is about 7084.2986244229. The cubic root of 50187287 is about 368.8625575382.

The spelling of 50187287 in words is "fifty million, one hundred eighty-seven thousand, two hundred eighty-seven".