50116831 has 2 divisors, whose sum is σ = 50116832. Its totient is φ = 50116830.

The previous prime is 50116823. The next prime is 50116837. The reversal of 50116831 is 13861105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50116831 - 2³ = 50116823 is a prime.

It is a super-2 number, since 2×50116831² = 5023393498965122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50116796 and 50116805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50116837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25058415 + 25058416.

It is an arithmetic number, because the mean of its divisors is an integer number (25058416).

Almost surely, 2^50116831 is an apocalyptic number.

50116831 is a deficient number, since it is larger than the sum of its proper divisors (1).

50116831 is an equidigital number, since it uses as much as digits as its factorization.

50116831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 50116831 is about 7079.3241909098. The cubic root of 50116831 is about 368.6898660536.

Adding to 50116831 its reverse (13861105), we get a palindrome (63977936).

The spelling of 50116831 in words is "fifty million, one hundred sixteen thousand, eight hundred thirty-one".