550536643256 has 16 divisors (see below), whose sum is σ = 1032323151600. Its totient is φ = 275250469504.

The previous prime is 550536643243. The next prime is 550536643289. The reversal of 550536643256 is 652346635055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2099996 + ... + 2347563.

It is an arithmetic number, because the mean of its divisors is an integer number (64520196975).

Almost surely, 2^550536643256 is an apocalyptic number.

It is an amenable number.

550536643256 is a deficient number, since it is larger than the sum of its proper divisors (481786508344).

550536643256 is a wasteful number, since it uses less digits than its factorization.

550536643256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463038 (or 4463034 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 50.

The spelling of 550536643256 in words is "five hundred fifty billion, five hundred thirty-six million, six hundred forty-three thousand, two hundred fifty-six".