550049543 has 2 divisors, whose sum is σ = 550049544. Its totient is φ = 550049542.

The previous prime is 550049537. The next prime is 550049579. The reversal of 550049543 is 345940055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550049543 - 2²⁰ = 549000967 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550049503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275024771 + 275024772.

It is an arithmetic number, because the mean of its divisors is an integer number (275024772).

Almost surely, 2^550049543 is an apocalyptic number.

550049543 is a deficient number, since it is larger than the sum of its proper divisors (1).

550049543 is an equidigital number, since it uses as much as digits as its factorization.

550049543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 550049543 is about 23453.1350356408. The cubic root of 550049543 is about 819.3458708521.

Adding to 550049543 its reverse (345940055), we get a palindrome (895989598).

The spelling of 550049543 in words is "five hundred fifty million, forty-nine thousand, five hundred forty-three".