50528281 has 2 divisors, whose sum is σ = 50528282. Its totient is φ = 50528280.

The previous prime is 50528227. The next prime is 50528287. The reversal of 50528281 is 18282505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37711881 + 12816400 = 6141^2 + 3580^2 .

It is a cyclic number.

It is not a de Polignac number, because 50528281 - 2¹⁵ = 50495513 is a prime.

It is a super-2 number, since 2×50528281² = 5106214361629922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50528287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25264140 + 25264141.

It is an arithmetic number, because the mean of its divisors is an integer number (25264141).

Almost surely, 2^50528281 is an apocalyptic number.

It is an amenable number.

50528281 is a deficient number, since it is larger than the sum of its proper divisors (1).

50528281 is an equidigital number, since it uses as much as digits as its factorization.

50528281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 50528281 is about 7108.3247674821. The cubic root of 50528281 is about 369.6960762058.

The spelling of 50528281 in words is "fifty million, five hundred twenty-eight thousand, two hundred eighty-one".