553009 has 4 divisors (see below), whose sum is σ = 570880. Its totient is φ = 535140.

The previous prime is 552991. The next prime is 553013. The reversal of 553009 is 900355.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 900355 = 5 ⋅180071.

It is a cyclic number.

It is not a de Polignac number, because 553009 - 2¹¹ = 550961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553099) 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 3 ways as a sum of consecutive naturals, for example, 8889 + ... + 8950.

It is an arithmetic number, because the mean of its divisors is an integer number (142720).

2⁵⁵³⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

553009 is a deficient number, since it is larger than the sum of its proper divisors (17871).

553009 is a wasteful number, since it uses less digits than its factorization.

553009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17870.

The product of its (nonzero) digits is 675, while the sum is 22.

The square root of 553009 is about 743.6457489961. The cubic root of 553009 is about 82.0812698139.

The spelling of 553009 in words is "five hundred fifty-three thousand, nine".