550709249 has 2 divisors, whose sum is σ = 550709250. Its totient is φ = 550709248.

The previous prime is 550709239. The next prime is 550709251. The reversal of 550709249 is 942907055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 378574849 + 172134400 = 19457^2 + 13120^2 .

It is a cyclic number.

It is not a de Polignac number, because 550709249 - 2⁸ = 550708993 is a prime.

Together with 550709251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (550709209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275354624 + 275354625.

It is an arithmetic number, because the mean of its divisors is an integer number (275354625).

Almost surely, 2^550709249 is an apocalyptic number.

It is an amenable number.

550709249 is a deficient number, since it is larger than the sum of its proper divisors (1).

550709249 is an equidigital number, since it uses as much as digits as its factorization.

550709249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 550709249 is about 23467.1951668707. The cubic root of 550709249 is about 819.6733028339.

The spelling of 550709249 in words is "five hundred fifty million, seven hundred nine thousand, two hundred forty-nine".