550599559943 has 2 divisors, whose sum is σ = 550599559944. Its totient is φ = 550599559942.

The previous prime is 550599559903. The next prime is 550599560011. The reversal of 550599559943 is 349955995055.

It is an a-pointer prime, because the next prime (550599560011) can be obtained adding 550599559943 to its sum of digits (68).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550599559943 - 2¹⁶ = 550599494407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550599559903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275299779971 + 275299779972.

It is an arithmetic number, because the mean of its divisors is an integer number (275299779972).

Almost surely, 2^550599559943 is an apocalyptic number.

550599559943 is a deficient number, since it is larger than the sum of its proper divisors (1).

550599559943 is an equidigital number, since it uses as much as digits as its factorization.

550599559943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 246037500, while the sum is 68.

The spelling of 550599559943 in words is "five hundred fifty billion, five hundred ninety-nine million, five hundred fifty-nine thousand, nine hundred forty-three".