50387171 has 2 divisors, whose sum is σ = 50387172. Its totient is φ = 50387170.

The previous prime is 50387147. The next prime is 50387173. The reversal of 50387171 is 17178305.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50387171 - 2¹⁴ = 50370787 is a prime.

Together with 50387173, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50387173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25193585 + 25193586.

It is an arithmetic number, because the mean of its divisors is an integer number (25193586).

Almost surely, 2^50387171 is an apocalyptic number.

50387171 is a deficient number, since it is larger than the sum of its proper divisors (1).

50387171 is an equidigital number, since it uses as much as digits as its factorization.

50387171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 50387171 is about 7098.3921418868. The cubic root of 50387171 is about 369.3516060684.

The spelling of 50387171 in words is "fifty million, three hundred eighty-seven thousand, one hundred seventy-one".