550010243 has 2 divisors, whose sum is σ = 550010244. Its totient is φ = 550010242.

The previous prime is 550010191. The next prime is 550010287. The reversal of 550010243 is 342010055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550010243 - 2⁶ = 550010179 is a prime.

It is a super-2 number, since 2×550010243² = 605022534809838098, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (550018243) 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, 275005121 + 275005122.

It is an arithmetic number, because the mean of its divisors is an integer number (275005122).

Almost surely, 2^550010243 is an apocalyptic number.

550010243 is a deficient number, since it is larger than the sum of its proper divisors (1).

550010243 is an equidigital number, since it uses as much as digits as its factorization.

550010243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 550010243 is about 23452.2971795942. The cubic root of 550010243 is about 819.3263568162.

Adding to 550010243 its reverse (342010055), we get a palindrome (892020298).

The spelling of 550010243 in words is "five hundred fifty million, ten thousand, two hundred forty-three".