550495289 has 2 divisors, whose sum is σ = 550495290. Its totient is φ = 550495288.

The previous prime is 550495247. The next prime is 550495321. The reversal of 550495289 is 982594055.

550495289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 427662400 + 122832889 = 20680^2 + 11083^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550495289 is a prime.

It is a super-2 number, since 2×550495289² = 606090126422387042, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (550497289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275247644 + 275247645.

It is an arithmetic number, because the mean of its divisors is an integer number (275247645).

Almost surely, 2^550495289 is an apocalyptic number.

It is an amenable number.

550495289 is a deficient number, since it is larger than the sum of its proper divisors (1).

550495289 is an equidigital number, since it uses as much as digits as its factorization.

550495289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648000, while the sum is 47.

The square root of 550495289 is about 23462.6360198508. The cubic root of 550495289 is about 819.5671366991.

The spelling of 550495289 in words is "five hundred fifty million, four hundred ninety-five thousand, two hundred eighty-nine".