550112543 has 2 divisors, whose sum is σ = 550112544. Its totient is φ = 550112542.

The previous prime is 550112531. The next prime is 550112557. The reversal of 550112543 is 345211055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550112543 - 2¹⁰ = 550111519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550112593) 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, 275056271 + 275056272.

It is an arithmetic number, because the mean of its divisors is an integer number (275056272).

Almost surely, 2^550112543 is an apocalyptic number.

550112543 is a deficient number, since it is larger than the sum of its proper divisors (1).

550112543 is an equidigital number, since it uses as much as digits as its factorization.

550112543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 550112543 is about 23454.4781012070. The cubic root of 550112543 is about 819.3771509553.

Adding to 550112543 its reverse (345211055), we get a palindrome (895323598).

The spelling of 550112543 in words is "five hundred fifty million, one hundred twelve thousand, five hundred forty-three".