55043 has 4 divisors (see below), whose sum is σ = 57960. Its totient is φ = 52128.

The previous prime is 55021. The next prime is 55049. The reversal of 55043 is 34055.

55043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55043 - 2⁶ = 54979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55049) 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, 1430 + ... + 1467.

It is an arithmetic number, because the mean of its divisors is an integer number (14490).

2⁵⁵⁰⁴³ is an apocalyptic number.

55043 is a deficient number, since it is larger than the sum of its proper divisors (2917).

55043 is a wasteful number, since it uses less digits than its factorization.

55043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 55043 is about 234.6124463877. The cubic root of 55043 is about 38.0394327505.

Adding to 55043 its reverse (34055), we get a palindrome (89098).

The spelling of 55043 in words is "fifty-five thousand, forty-three".