550880 has 48 divisors (see below), whose sum is σ = 1424304. Its totient is φ = 199680.

The previous prime is 550861. The next prime is 550903. The reversal of 550880 is 88055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1604 + ... + 1916.

It is an arithmetic number, because the mean of its divisors is an integer number (29673).

2⁵⁵⁰⁸⁸⁰ 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 550880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712152).

550880 is an abundant number, since it is smaller than the sum of its proper divisors (873424).

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

550880 is a wasteful number, since it uses less digits than its factorization.

550880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 550880 is about 742.2129074598. The cubic root of 550880 is about 81.9758009101.

The spelling of 550880 in words is "five hundred fifty thousand, eight hundred eighty".