50028281 has 2 divisors, whose sum is σ = 50028282. Its totient is φ = 50028280.

The previous prime is 50028259. The next prime is 50028299. The reversal of 50028281 is 18282005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45010681 + 5017600 = 6709^2 + 2240^2 .

It is a cyclic number.

It is not a de Polignac number, because 50028281 - 2⁶ = 50028217 is a prime.

It is a super-2 number, since 2×50028281² = 5005657799629922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 50028281.

It is not a weakly prime, because it can be changed into another prime (50025281) 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, 25014140 + 25014141.

It is an arithmetic number, because the mean of its divisors is an integer number (25014141).

Almost surely, 2^50028281 is an apocalyptic number.

It is an amenable number.

50028281 is a deficient number, since it is larger than the sum of its proper divisors (1).

50028281 is an equidigital number, since it uses as much as digits as its factorization.

50028281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 50028281 is about 7073.0672978560. The cubic root of 50028281 is about 368.4725955023.

The spelling of 50028281 in words is "fifty million, twenty-eight thousand, two hundred eighty-one".