553169 has 4 divisors (see below), whose sum is σ = 555444. Its totient is φ = 550896.

The previous prime is 553153. The next prime is 553171. The reversal of 553169 is 961355.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 961355 = 5 ⋅192271.

It can be written as a sum of positive squares in 2 ways, for example, as 46225 + 506944 = 215^2 + 712^2 .

It is a cyclic number.

It is not a de Polignac number, because 553169 - 2⁴ = 553153 is a prime.

It is a super-2 number, since 2×553169² = 611991885122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553139) 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, 722 + ... + 1275.

It is an arithmetic number, because the mean of its divisors is an integer number (138861).

2⁵⁵³¹⁶⁹ is an apocalyptic number.

It is an amenable number.

553169 is a deficient number, since it is larger than the sum of its proper divisors (2275).

553169 is a wasteful number, since it uses less digits than its factorization.

553169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274.

The product of its digits is 4050, while the sum is 29.

The square root of 553169 is about 743.7533193203. The cubic root of 553169 is about 82.0891851383.

The spelling of 553169 in words is "five hundred fifty-three thousand, one hundred sixty-nine".