551088 has 60 divisors (see below), whose sum is σ = 1595880. Its totient is φ = 177408.

The previous prime is 551069. The next prime is 551093. The reversal of 551088 is 880155.

It is an unprimeable number.

551088 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6148 + ... + 6236.

It is an arithmetic number, because the mean of its divisors is an integer number (26598).

2⁵⁵¹⁰⁸⁸ 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 551088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797940).

551088 is an abundant number, since it is smaller than the sum of its proper divisors (1044792).

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

551088 is a wasteful number, since it uses less digits than its factorization.

551088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 551088 is about 742.3530157546. The cubic root of 551088 is about 81.9861170231.

The spelling of 551088 in words is "five hundred fifty-one thousand, eighty-eight".