550380 has 24 divisors (see below), whose sum is σ = 1541232. Its totient is φ = 146752.

The previous prime is 550379. The next prime is 550427. The reversal of 550380 is 83055.

550380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4527 + ... + 4646.

It is an arithmetic number, because the mean of its divisors is an integer number (64218).

2⁵⁵⁰³⁸⁰ is an apocalyptic number.

It is an amenable number.

550380 is an abundant number, since it is smaller than the sum of its proper divisors (990852).

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

550380 is a wasteful number, since it uses less digits than its factorization.

550380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9185 (or 9183 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 550380 is about 741.8760004206. The cubic root of 550380 is about 81.9509919332.

The spelling of 550380 in words is "five hundred fifty thousand, three hundred eighty".