550268281 has 2 divisors, whose sum is σ = 550268282. Its totient is φ = 550268280.

The previous prime is 550268263. The next prime is 550268363. The reversal of 550268281 is 182862055.

550268281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322741225 + 227527056 = 17965^2 + 15084^2 .

It is a cyclic number.

It is not a de Polignac number, because 550268281 - 2⁹ = 550267769 is a prime.

It is a super-2 number, since 2×550268281² = 605590362149389922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 550268281.

It is not a weakly prime, because it can be changed into another prime (550260281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275134140 + 275134141.

It is an arithmetic number, because the mean of its divisors is an integer number (275134141).

Almost surely, 2^550268281 is an apocalyptic number.

It is an amenable number.

550268281 is a deficient number, since it is larger than the sum of its proper divisors (1).

550268281 is an equidigital number, since it uses as much as digits as its factorization.

550268281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 550268281 is about 23457.7978719231. The cubic root of 550268281 is about 819.4544661157.

The spelling of 550268281 in words is "five hundred fifty million, two hundred sixty-eight thousand, two hundred eighty-one".