550988688 has 40 divisors (see below), whose sum is σ = 1429372800. Its totient is φ = 182890624.

The previous prime is 550988687. The next prime is 550988707. The reversal of 550988688 is 886889055.

It is a super-2 number, since 2×550988688² = 607177068607922688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550988681) 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, 12543 + ... + 35486.

It is an arithmetic number, because the mean of its divisors is an integer number (35734320).

Almost surely, 2^550988688 is an apocalyptic number.

It is an amenable number.

550988688 is an abundant number, since it is smaller than the sum of its proper divisors (878384112).

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

550988688 is a wasteful number, since it uses less digits than its factorization.

550988688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48279 (or 48273 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 57.

The square root of 550988688 is about 23473.1482336733. The cubic root of 550988688 is about 819.8119179975.

The spelling of 550988688 in words is "five hundred fifty million, nine hundred eighty-eight thousand, six hundred eighty-eight".