50131271 has 4 divisors (see below), whose sum is σ = 50159544. Its totient is φ = 50103000.

The previous prime is 50131261. The next prime is 50131321. The reversal of 50131271 is 17213105.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50131271 - 2²² = 45936967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50131201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11285 + ... + 15086.

It is an arithmetic number, because the mean of its divisors is an integer number (12539886).

Almost surely, 2^50131271 is an apocalyptic number.

50131271 is a deficient number, since it is larger than the sum of its proper divisors (28273).

50131271 is a wasteful number, since it uses less digits than its factorization.

50131271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28272.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 50131271 is about 7080.3439888186. The cubic root of 50131271 is about 368.7252724585.

Adding to 50131271 its reverse (17213105), we get a palindrome (67344376).

The spelling of 50131271 in words is "fifty million, one hundred thirty-one thousand, two hundred seventy-one".