50318881 has 2 divisors, whose sum is σ = 50318882. Its totient is φ = 50318880.

The previous prime is 50318837. The next prime is 50318887. The reversal of 50318881 is 18881305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49350625 + 968256 = 7025^2 + 984^2 .

It is a cyclic number.

It is not a de Polignac number, because 50318881 - 2⁹ = 50318369 is a prime.

It is a super-2 number, since 2×50318881² = 5063979570184322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50318887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25159440 + 25159441.

It is an arithmetic number, because the mean of its divisors is an integer number (25159441).

Almost surely, 2^50318881 is an apocalyptic number.

It is an amenable number.

50318881 is a deficient number, since it is larger than the sum of its proper divisors (1).

50318881 is an equidigital number, since it uses as much as digits as its factorization.

50318881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 34.

The square root of 50318881 is about 7093.5802666918. The cubic root of 50318881 is about 369.1846692322.

The spelling of 50318881 in words is "fifty million, three hundred eighteen thousand, eight hundred eighty-one".