550529 has 16 divisors (see below), whose sum is σ = 675840. Its totient is φ = 438480.

The previous prime is 550519. The next prime is 550531. The reversal of 550529 is 925055.

It is not a de Polignac number, because 550529 - 2⁴ = 550513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550498 and 550507.

It is not an unprimeable number, because it can be changed into a prime (550519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9302 + ... + 9360.

It is an arithmetic number, because the mean of its divisors is an integer number (42240).

2⁵⁵⁰⁵²⁹ is an apocalyptic number.

550529 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

550529 is a deficient number, since it is larger than the sum of its proper divisors (125311).

550529 is a wasteful number, since it uses less digits than its factorization.

550529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 550529 is about 741.9764147195. The cubic root of 550529 is about 81.9583865794.

The spelling of 550529 in words is "five hundred fifty thousand, five hundred twenty-nine".