550505056 has 12 divisors (see below), whose sum is σ = 1083806892. Its totient is φ = 275252512.

The previous prime is 550505029. The next prime is 550505063. The reversal of 550505056 is 650505055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8601610 + ... + 8601673.

It is an arithmetic number, because the mean of its divisors is an integer number (90317241).

Almost surely, 2^550505056 is an apocalyptic number.

It is an amenable number.

550505056 is a deficient number, since it is larger than the sum of its proper divisors (533301836).

550505056 is a wasteful number, since it uses less digits than its factorization.

550505056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17203293 (or 17203285 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

The square root of 550505056 is about 23462.8441583709. The cubic root of 550505056 is about 819.5719836463.

Subtracting 550505056 from its reverse (650505055), we obtain a palindrome (99999999).

It can be divided in two parts, 55050 and 5056, that added together give a palindrome (60106).

The spelling of 550505056 in words is "five hundred fifty million, five hundred five thousand, fifty-six".