550888128 has 560 divisors, whose sum is σ = 2124334080. Its totient is φ = 137355264.

The previous prime is 550888127. The next prime is 550888141. The reversal of 550888128 is 821888055.

550888128 is a `hidden beast` number, since 550 + 8 + 88 + 12 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (550888127) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 11721001 + ... + 11721047.

Almost surely, 2^550888128 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 550888128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1062167040).

550888128 is an abundant number, since it is smaller than the sum of its proper divisors (1573445952).

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

550888128 is a wasteful number, since it uses less digits than its factorization.

550888128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 45.

The square root of 550888128 is about 23471.0061139270. The cubic root of 550888128 is about 819.7620408076.

It can be divided in two parts, 5508 and 88128, that multiplied together give a square (485409024 = 22032²).

The spelling of 550888128 in words is "five hundred fifty million, eight hundred eighty-eight thousand, one hundred twenty-eight".