550550555056 has 40 divisors (see below), whose sum is σ = 1129504849920. Its totient is φ = 259067341824.

The previous prime is 550550555053. The next prime is 550550555063. The reversal of 550550555056 is 650555055055.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 550550554997 and 550550555015.

It is not an unprimeable number, because it can be changed into a prime (550550555053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5520870 + ... + 5619706.

It is an arithmetic number, because the mean of its divisors is an integer number (28237621248).

Almost surely, 2^550550555056 is an apocalyptic number.

It is an amenable number.

550550555056 is an abundant number, since it is smaller than the sum of its proper divisors (578954294864).

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

550550555056 is a wasteful number, since it uses less digits than its factorization.

550550555056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119341 (or 119335 counting only the distinct ones).

The product of its (nonzero) digits is 2343750, while the sum is 46.

The spelling of 550550555056 in words is "five hundred fifty billion, five hundred fifty million, five hundred fifty-five thousand, fifty-six".