50947931 has 2 divisors, whose sum is σ = 50947932. Its totient is φ = 50947930.

The previous prime is 50947909. The next prime is 50947933. The reversal of 50947931 is 13974905.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50947931 - 2¹⁴ = 50931547 is a prime.

It is a super-2 number, since 2×50947931² = 5191383346361522, which contains 22 as substring.

Together with 50947933, 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 (50947933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25473965 + 25473966.

It is an arithmetic number, because the mean of its divisors is an integer number (25473966).

Almost surely, 2^50947931 is an apocalyptic number.

50947931 is a deficient number, since it is larger than the sum of its proper divisors (1).

50947931 is an equidigital number, since it uses as much as digits as its factorization.

50947931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 50947931 is about 7137.7819383895. The cubic root of 50947931 is about 370.7167285731.

The spelling of 50947931 in words is "fifty million, nine hundred forty-seven thousand, nine hundred thirty-one".