550873718660 has 24 divisors (see below), whose sum is σ = 1156933069656. Its totient is φ = 220330771200.

The previous prime is 550873718653. The next prime is 550873718711. The reversal of 550873718660 is 66817378055.

It can be written as a sum of positive squares in 4 ways, for example, as 230997506884 + 319876211776 = 480622^2 + 565576^2 .

It is a junction number, because it is equal to n+sod(n) for n = 550873718596 and 550873718605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927191 + ... + 1400510.

It is an arithmetic number, because the mean of its divisors is an integer number (48205544569).

Almost surely, 2^550873718660 is an apocalyptic number.

It is an amenable number.

550873718660 is an abundant number, since it is smaller than the sum of its proper divisors (606059350996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550873718660 is a wasteful number, since it uses less digits than its factorization.

550873718660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339543 (or 2339541 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 56.

The spelling of 550873718660 in words is "five hundred fifty billion, eight hundred seventy-three million, seven hundred eighteen thousand, six hundred sixty".