553345 has 8 divisors (see below), whose sum is σ = 715176. Its totient is φ = 408576.

The previous prime is 553309. The next prime is 553351. The reversal of 553345 is 543355.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 101761 + 451584 = 319^2 + 672^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 553345 - 2⁹ = 552833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 4192 + ... + 4321.

It is an arithmetic number, because the mean of its divisors is an integer number (89397).

2⁵⁵³³⁴⁵ is an apocalyptic number.

It is an amenable number.

553345 is a deficient number, since it is larger than the sum of its proper divisors (161831).

553345 is a wasteful number, since it uses less digits than its factorization.

553345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8531.

The product of its digits is 4500, while the sum is 25.

The square root of 553345 is about 743.8716287102. The cubic root of 553345 is about 82.0978902324.

Subtracting from 553345 its product of digits (4500), we obtain a palindrome (548845).

It can be divided in two parts, 553 and 345, that added together give a palindrome (898).

The spelling of 553345 in words is "five hundred fifty-three thousand, three hundred forty-five".