355543 has 4 divisors (see below), whose sum is σ = 357840. Its totient is φ = 353248.

The previous prime is 355541. The next prime is 355549. The reversal of 355543 is 345553.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 355543 - 2¹ = 355541 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 (355541) 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, 898 + ... + 1231.

It is an arithmetic number, because the mean of its divisors is an integer number (89460).

2³⁵⁵⁵⁴³ is an apocalyptic number.

355543 is a deficient number, since it is larger than the sum of its proper divisors (2297).

355543 is a wasteful number, since it uses less digits than its factorization.

355543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296.

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

The square root of 355543 is about 596.2742657536. The cubic root of 355543 is about 70.8430707106.

It can be divided in two parts, 355 and 543, that added together give a palindrome (898).

The spelling of 355543 in words is "three hundred fifty-five thousand, five hundred forty-three".