550544219 has 2 divisors, whose sum is σ = 550544220. Its totient is φ = 550544218.

The previous prime is 550544191. The next prime is 550544237. The reversal of 550544219 is 912445055.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550544219 is a prime.

It is a super-2 number, since 2×550544219² = 606197874148639922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (550544119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275272109 + 275272110.

It is an arithmetic number, because the mean of its divisors is an integer number (275272110).

Almost surely, 2^550544219 is an apocalyptic number.

550544219 is a deficient number, since it is larger than the sum of its proper divisors (1).

550544219 is an equidigital number, since it uses as much as digits as its factorization.

550544219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 550544219 is about 23463.6787183937. The cubic root of 550544219 is about 819.5914180040.

The spelling of 550544219 in words is "five hundred fifty million, five hundred forty-four thousand, two hundred nineteen".