553530 has 16 divisors (see below), whose sum is σ = 1328544. Its totient is φ = 147600.

The previous prime is 553529. The next prime is 553543. The reversal of 553530 is 35355.

It is a junction number, because it is equal to n+sod(n) for n = 553497 and 553506.

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, 9196 + ... + 9255.

It is an arithmetic number, because the mean of its divisors is an integer number (83034).

2⁵⁵³⁵³⁰ is an apocalyptic number.

553530 is an abundant number, since it is smaller than the sum of its proper divisors (775014).

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

553530 is a wasteful number, since it uses less digits than its factorization.

553530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18461.

The product of its (nonzero) digits is 1125, while the sum is 21.

The square root of 553530 is about 743.9959677310. The cubic root of 553530 is about 82.1070384837.

Adding to 553530 its reverse (35355), we get a palindrome (588885).

It can be divided in two parts, 5535 and 30, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 553530 in words is "five hundred fifty-three thousand, five hundred thirty".