550430 has 16 divisors (see below), whose sum is σ = 1043280. Its totient is φ = 208512.

The previous prime is 550427. The next prime is 550439. The reversal of 550430 is 34055.

It is a junction number, because it is equal to n+sod(n) for n = 550399 and 550408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1259 + ... + 1638.

It is an arithmetic number, because the mean of its divisors is an integer number (65205).

2⁵⁵⁰⁴³⁰ is an apocalyptic number.

550430 is a deficient number, since it is larger than the sum of its proper divisors (492850).

550430 is a wasteful number, since it uses less digits than its factorization.

550430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 550430 is about 741.9096980091. The cubic root of 550430 is about 81.9534735069.

Adding to 550430 its reverse (34055), we get a palindrome (584485).

The spelling of 550430 in words is "five hundred fifty thousand, four hundred thirty".