550063665423 has 16 divisors (see below), whose sum is σ = 820771795200. Its totient is φ = 364070912760.

The previous prime is 550063665379. The next prime is 550063665449. The reversal of 550063665423 is 324566360055.

550063665423 is a `hidden beast` number, since 5 + 5 + 0 + 0 + 636 + 6 + 5 + 4 + 2 + 3 = 666.

It is not a de Polignac number, because 550063665423 - 2⁹ = 550063664911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550063665493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73279443 + ... + 73286948.

It is an arithmetic number, because the mean of its divisors is an integer number (51298237200).

Almost surely, 2^550063665423 is an apocalyptic number.

550063665423 is a deficient number, since it is larger than the sum of its proper divisors (270708129777).

550063665423 is a wasteful number, since it uses less digits than its factorization.

550063665423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146566539 (or 146566533 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 45.

The spelling of 550063665423 in words is "five hundred fifty billion, sixty-three million, six hundred sixty-five thousand, four hundred twenty-three".