553205 has 4 divisors (see below), whose sum is σ = 663852. Its totient is φ = 442560.

The previous prime is 553193. The next prime is 553207. The reversal of 553205 is 502355.

553205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 223729 + 329476 = 473^2 + 574^2 .

It is not a de Polignac number, because 553205 - 2⁶ = 553141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55316 + ... + 55325.

It is an arithmetic number, because the mean of its divisors is an integer number (165963).

2⁵⁵³²⁰⁵ is an apocalyptic number.

It is an amenable number.

553205 is a deficient number, since it is larger than the sum of its proper divisors (110647).

553205 is a wasteful number, since it uses less digits than its factorization.

553205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110646.

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 553205 is about 743.7775204992. Note that the first 3 decimals coincide. The cubic root of 553205 is about 82.0909658759.

The spelling of 553205 in words is "five hundred fifty-three thousand, two hundred five".