550561888 has 12 divisors (see below), whose sum is σ = 1083918780. Its totient is φ = 275280928.

The previous prime is 550561873. The next prime is 550561909. The reversal of 550561888 is 888165055.

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, 8602498 + ... + 8602561.

It is an arithmetic number, because the mean of its divisors is an integer number (90326565).

Almost surely, 2^550561888 is an apocalyptic number.

It is an amenable number.

550561888 is a deficient number, since it is larger than the sum of its proper divisors (533356892).

550561888 is a wasteful number, since it uses less digits than its factorization.

550561888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17205069 (or 17205061 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 46.

The square root of 550561888 is about 23464.0552334843. The cubic root of 550561888 is about 819.6001858167.

The spelling of 550561888 in words is "five hundred fifty million, five hundred sixty-one thousand, eight hundred eighty-eight".