550605555612 has 168 divisors, whose sum is σ = 1654901017056. Its totient is φ = 156950037504.

The previous prime is 550605555559. The next prime is 550605555673. The reversal of 550605555612 is 216555506055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 8807248 + ... + 8869544.

It is an arithmetic number, because the mean of its divisors is an integer number (9850601292).

Almost surely, 2^550605555612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550605555612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (827450508528).

550605555612 is an abundant number, since it is smaller than the sum of its proper divisors (1104295461444).

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

550605555612 is a wasteful number, since it uses less digits than its factorization.

550605555612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62759 (or 62742 counting only the distinct ones).

The product of its (nonzero) digits is 1125000, while the sum is 45.

The spelling of 550605555612 in words is "five hundred fifty billion, six hundred five million, five hundred fifty-five thousand, six hundred twelve".