550642864653 has 24 divisors (see below), whose sum is σ = 913305813056. Its totient is φ = 313161811200.

The previous prime is 550642864649. The next prime is 550642864663. The reversal of 550642864653 is 356468246055.

550642864653 is a `hidden beast` number, since 5 + 506 + 4 + 2 + 86 + 4 + 6 + 53 = 666.

It is not a de Polignac number, because 550642864653 - 2² = 550642864649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 550642864653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550642864613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20698468 + ... + 20725053.

Almost surely, 2^550642864653 is an apocalyptic number.

It is an amenable number.

550642864653 is a deficient number, since it is larger than the sum of its proper divisors (362662948403).

550642864653 is a wasteful number, since it uses less digits than its factorization.

550642864653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41423745 (or 41423742 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 54.

The spelling of 550642864653 in words is "five hundred fifty billion, six hundred forty-two million, eight hundred sixty-four thousand, six hundred fifty-three".