550600128 has 252 divisors, whose sum is σ = 1789485880. Its totient is φ = 160883712.

The previous prime is 550600121. The next prime is 550600133. The reversal of 550600128 is 821006055.

550600128 is a `hidden beast` number, since 5 + 50 + 600 + 1 + 2 + 8 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550600121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3961083 + ... + 3961221.

Almost surely, 2^550600128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550600128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (894742940).

550600128 is an abundant number, since it is smaller than the sum of its proper divisors (1238885752).

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

550600128 is a wasteful number, since it uses less digits than its factorization.

550600128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 550600128 is about 23464.8700827428. The cubic root of 550600128 is about 819.6191608470.

The spelling of 550600128 in words is "five hundred fifty million, six hundred thousand, one hundred twenty-eight".