550704 has 80 divisors (see below), whose sum is σ = 1785600. Its totient is φ = 142080.

The previous prime is 550703. The next prime is 550717. The reversal of 550704 is 407055.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (550703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3622 + ... + 3770.

It is an arithmetic number, because the mean of its divisors is an integer number (22320).

2⁵⁵⁰⁷⁰⁴ 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 550704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892800).

550704 is an abundant number, since it is smaller than the sum of its proper divisors (1234896).

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

550704 is a wasteful number, since it uses less digits than its factorization.

550704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 550704 is about 742.0943336261. The cubic root of 550704 is about 81.9670698629.

Adding to 550704 its sum of digits (21), we get a triangular number (550725 = T₁₀₄₉).

Adding to 550704 its reverse (407055), we get a palindrome (957759).

The spelling of 550704 in words is "five hundred fifty thousand, seven hundred four".