553505 has 8 divisors (see below), whose sum is σ = 685824. Its totient is φ = 428400.

The previous prime is 553481. The next prime is 553507. The reversal of 553505 is 505355.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 553505 - 2⁸ = 553249 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553507) 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 7 ways as a sum of consecutive naturals, for example, 1631 + ... + 1940.

It is an arithmetic number, because the mean of its divisors is an integer number (85728).

2⁵⁵³⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

553505 is a deficient number, since it is larger than the sum of its proper divisors (132319).

553505 is a wasteful number, since it uses less digits than its factorization.

553505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607.

The product of its (nonzero) digits is 1875, while the sum is 23.

The square root of 553505 is about 743.9791663750. The cubic root of 553505 is about 82.1058023527.

It can be divided in two parts, 55350 and 5, that added together give a palindrome (55355).

The spelling of 553505 in words is "five hundred fifty-three thousand, five hundred five".