50321081 has 2 divisors, whose sum is σ = 50321082. Its totient is φ = 50321080.

The previous prime is 50321027. The next prime is 50321099. The reversal of 50321081 is 18012305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49843600 + 477481 = 7060^2 + 691^2 .

It is a cyclic number.

It is not a de Polignac number, because 50321081 - 2¹⁰ = 50320057 is a prime.

It is a super-2 number, since 2×50321081² = 5064422386017122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (50321021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25160540 + 25160541.

It is an arithmetic number, because the mean of its divisors is an integer number (25160541).

Almost surely, 2^50321081 is an apocalyptic number.

It is an amenable number.

50321081 is a deficient number, since it is larger than the sum of its proper divisors (1).

50321081 is an equidigital number, since it uses as much as digits as its factorization.

50321081 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 20.

The square root of 50321081 is about 7093.7353347866. The cubic root of 50321081 is about 369.1900495482.

Adding to 50321081 its reverse (18012305), we get a palindrome (68333386).

The spelling of 50321081 in words is "fifty million, three hundred twenty-one thousand, eighty-one".