50328281 has 2 divisors, whose sum is σ = 50328282. Its totient is φ = 50328280.

The previous prime is 50328247. The next prime is 50328287. The reversal of 50328281 is 18282305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46022656 + 4305625 = 6784^2 + 2075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50328281 is a prime.

It is a super-2 number, since 2×50328281² = 5065871736829922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50328287) 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, 25164140 + 25164141.

It is an arithmetic number, because the mean of its divisors is an integer number (25164141).

Almost surely, 2^50328281 is an apocalyptic number.

It is an amenable number.

50328281 is a deficient number, since it is larger than the sum of its proper divisors (1).

50328281 is an equidigital number, since it uses as much as digits as its factorization.

50328281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 50328281 is about 7094.2428066708. The cubic root of 50328281 is about 369.2076567586.

The spelling of 50328281 in words is "fifty million, three hundred twenty-eight thousand, two hundred eighty-one".