50271991 has 36 divisors (see below), whose sum is σ = 65803080. Its totient is φ = 38253600.

The previous prime is 50271983. The next prime is 50272003. The reversal of 50271991 is 19917205.

It is not a de Polignac number, because 50271991 - 2³ = 50271983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50271911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 361600 + ... + 361738.

Almost surely, 2^50271991 is an apocalyptic number.

50271991 is a deficient number, since it is larger than the sum of its proper divisors (15531089).

50271991 is a wasteful number, since it uses less digits than its factorization.

50271991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 50271991 is about 7090.2743952544. The cubic root of 50271991 is about 369.0699578242.

The spelling of 50271991 in words is "fifty million, two hundred seventy-one thousand, nine hundred ninety-one".