50820031 has 2 divisors, whose sum is σ = 50820032. Its totient is φ = 50820030.

The previous prime is 50820017. The next prime is 50820037. The reversal of 50820031 is 13002805.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50820031 - 2⁵ = 50819999 is a prime.

It is a super-2 number, since 2×50820031² = 5165351101681922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50819990 and 50820008.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50820037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25410015 + 25410016.

It is an arithmetic number, because the mean of its divisors is an integer number (25410016).

Almost surely, 2^50820031 is an apocalyptic number.

50820031 is a deficient number, since it is larger than the sum of its proper divisors (1).

50820031 is an equidigital number, since it uses as much as digits as its factorization.

50820031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 50820031 is about 7128.8169425228. The cubic root of 50820031 is about 370.4062521006.

Adding to 50820031 its reverse (13002805), we get a palindrome (63822836).

The spelling of 50820031 in words is "fifty million, eight hundred twenty thousand, thirty-one".