550304243 has 2 divisors, whose sum is σ = 550304244. Its totient is φ = 550304242.

The previous prime is 550304231. The next prime is 550304273. The reversal of 550304243 is 342403055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550304243 - 2⁸ = 550303987 is a prime.

It is not a weakly prime, because it can be changed into another prime (550304273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275152121 + 275152122.

It is an arithmetic number, because the mean of its divisors is an integer number (275152122).

Almost surely, 2^550304243 is an apocalyptic number.

550304243 is a deficient number, since it is larger than the sum of its proper divisors (1).

550304243 is an equidigital number, since it uses as much as digits as its factorization.

550304243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 550304243 is about 23458.5643848894. The cubic root of 550304243 is about 819.4723171534.

Adding to 550304243 its reverse (342403055), we get a palindrome (892707298).

The spelling of 550304243 in words is "five hundred fifty million, three hundred four thousand, two hundred forty-three".