550384884 has 36 divisors (see below), whose sum is σ = 1590001504. Its totient is φ = 157252752.

The previous prime is 550384831. The next prime is 550384889. The reversal of 550384884 is 488483055.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550384889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1091782 + ... + 1092285.

Almost surely, 2^550384884 is an apocalyptic number.

It is an amenable number.

550384884 is an abundant number, since it is smaller than the sum of its proper divisors (1039616620).

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

550384884 is a wasteful number, since it uses less digits than its factorization.

550384884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184084 (or 2184079 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The square root of 550384884 is about 23460.2831184962. The cubic root of 550384884 is about 819.5123433997.

The spelling of 550384884 in words is "five hundred fifty million, three hundred eighty-four thousand, eight hundred eighty-four".