553523 has 4 divisors (see below), whose sum is σ = 572640. Its totient is φ = 534408.

The previous prime is 553517. The next prime is 553529. The reversal of 553523 is 325355.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325355 = 5 ⋅65071.

It is an interprime number because it is at equal distance from previous prime (553517) and next prime (553529).

It is a cyclic number.

It is not a de Polignac number, because 553523 - 2⁴ = 553507 is a prime.

It is a d-powerful number, because it can be written as 5³ + 5⁴ + 5⁴ + 3⁹ + 2¹⁰ + 3¹² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553529) 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, 9515 + ... + 9572.

It is an arithmetic number, because the mean of its divisors is an integer number (143160).

2⁵⁵³⁵²³ is an apocalyptic number.

553523 is a deficient number, since it is larger than the sum of its proper divisors (19117).

553523 is a wasteful number, since it uses less digits than its factorization.

553523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19116.

The product of its digits is 2250, while the sum is 23.

The square root of 553523 is about 743.9912633896. The cubic root of 553523 is about 82.1066923708.

Adding to 553523 its reverse (325355), we get a palindrome (878878).

It can be divided in two parts, 55352 and 3, that added together give a palindrome (55355).

The spelling of 553523 in words is "five hundred fifty-three thousand, five hundred twenty-three".