50812831 has 2 divisors, whose sum is σ = 50812832. Its totient is φ = 50812830.

The previous prime is 50812829. The next prime is 50812841. The reversal of 50812831 is 13821805.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50812831 - 2¹ = 50812829 is a prime.

It is a super-2 number, since 2×50812831² = 5163887588469122, which contains 22 as substring.

Together with 50812829, 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 50812831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50812841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25406415 + 25406416.

It is an arithmetic number, because the mean of its divisors is an integer number (25406416).

Almost surely, 2^50812831 is an apocalyptic number.

50812831 is a deficient number, since it is larger than the sum of its proper divisors (1).

50812831 is an equidigital number, since it uses as much as digits as its factorization.

50812831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 50812831 is about 7128.3119320075. The cubic root of 50812831 is about 370.3887586639.

The spelling of 50812831 in words is "fifty million, eight hundred twelve thousand, eight hundred thirty-one".