550605556056 has 16 divisors (see below), whose sum is σ = 1376513890200. Its totient is φ = 183535185344.

The previous prime is 550605556027. The next prime is 550605556073. The reversal of 550605556056 is 650655506055.

It is a junction number, because it is equal to n+sod(n) for n = 550605555996 and 550605556014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11470949061 + ... + 11470949108.

Almost surely, 2^550605556056 is an apocalyptic number.

It is an amenable number.

550605556056 is an abundant number, since it is smaller than the sum of its proper divisors (825908334144).

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

550605556056 is a wasteful number, since it uses less digits than its factorization.

550605556056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22941898178 (or 22941898174 counting only the distinct ones).

The product of its (nonzero) digits is 3375000, while the sum is 48.

The spelling of 550605556056 in words is "five hundred fifty billion, six hundred five million, five hundred fifty-six thousand, fifty-six".