553343 has 8 divisors (see below), whose sum is σ = 638112. Its totient is φ = 470016.

The previous prime is 553309. The next prime is 553351. The reversal of 553343 is 343355.

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 553343 - 2⁶ = 553279 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 5³ + 5⁵ + 3⁴ + 3⁷ + 4⁷ + 3¹² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671 + ... + 1247.

It is an arithmetic number, because the mean of its divisors is an integer number (79764).

2⁵⁵³³⁴³ is an apocalyptic number.

553343 is a deficient number, since it is larger than the sum of its proper divisors (84769).

553343 is a wasteful number, since it uses less digits than its factorization.

553343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721.

The product of its digits is 2700, while the sum is 23.

The square root of 553343 is about 743.8702843910. The cubic root of 553343 is about 82.0977913212.

Adding to 553343 its reverse (343355), we get a palindrome (896698).

The spelling of 553343 in words is "five hundred fifty-three thousand, three hundred forty-three".