50508881 has 2 divisors, whose sum is σ = 50508882. Its totient is φ = 50508880.

The previous prime is 50508869. The next prime is 50508883. The reversal of 50508881 is 18880505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28569025 + 21939856 = 5345^2 + 4684^2 .

It is a cyclic number.

It is not a de Polignac number, because 50508881 - 2¹⁰ = 50507857 is a prime.

It is a super-2 number, since 2×50508881² = 5102294119744322, which contains 22 as substring.

Together with 50508883, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_3029786 and since 50508881 and 3029786 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (50508883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25254440 + 25254441.

It is an arithmetic number, because the mean of its divisors is an integer number (25254441).

Almost surely, 2^50508881 is an apocalyptic number.

It is an amenable number.

50508881 is a deficient number, since it is larger than the sum of its proper divisors (1).

50508881 is an equidigital number, since it uses as much as digits as its factorization.

50508881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12800, while the sum is 35.

The square root of 50508881 is about 7106.9600392854. The cubic root of 50508881 is about 369.6487560264.

It can be divided in two parts, 5050 and 8881, that added together give a palindrome (13931).

The spelling of 50508881 in words is "fifty million, five hundred eight thousand, eight hundred eighty-one".