550243003 has 2 divisors, whose sum is σ = 550243004. Its totient is φ = 550243002.

The previous prime is 550242989. The next prime is 550243019. The reversal of 550243003 is 300342055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550243003 - 2²⁹ = 13372091 is a prime.

It is not a weakly prime, because it can be changed into another prime (550243103) 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, 275121501 + 275121502.

It is an arithmetic number, because the mean of its divisors is an integer number (275121502).

Almost surely, 2^550243003 is an apocalyptic number.

550243003 is a deficient number, since it is larger than the sum of its proper divisors (1).

550243003 is an equidigital number, since it uses as much as digits as its factorization.

550243003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 550243003 is about 23457.2590683566. The cubic root of 550243003 is about 819.4419180018.

Adding to 550243003 its reverse (300342055), we get a palindrome (850585058).

The spelling of 550243003 in words is "five hundred fifty million, two hundred forty-three thousand, three".