550221032264 has 8 divisors (see below), whose sum is σ = 1031664435510. Its totient is φ = 275110516128.

The previous prime is 550221032261. The next prime is 550221032269. The reversal of 550221032264 is 462230122055.

It can be written as a sum of positive squares in only one way, i.e., 338107360900 + 212113671364 = 581470^2 + 460558^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 550221032264.

It is not an unprimeable number, because it can be changed into a prime (550221032261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34388814509 + ... + 34388814524.

Almost surely, 2^550221032264 is an apocalyptic number.

It is an amenable number.

550221032264 is a deficient number, since it is larger than the sum of its proper divisors (481443403246).

550221032264 is a wasteful number, since it uses less digits than its factorization.

550221032264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68777629039 (or 68777629035 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 550221032264 in words is "five hundred fifty billion, two hundred twenty-one million, thirty-two thousand, two hundred sixty-four".