545055 has 32 divisors (see below), whose sum is σ = 1036800. Its totient is φ = 239232.

The previous prime is 545033. The next prime is 545057. The reversal of 545055 is 550545.

It is not a de Polignac number, because 545055 - 2⁵ = 545023 is a prime.

It is an Ulam number.

545055 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2956 + ... + 3134.

It is an arithmetic number, because the mean of its divisors is an integer number (32400).

2⁵⁴⁵⁰⁵⁵ is an apocalyptic number.

545055 is a deficient number, since it is larger than the sum of its proper divisors (491745).

545055 is a wasteful number, since it uses less digits than its factorization.

545055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223.

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 545055 is about 738.2784027723. The cubic root of 545055 is about 81.6858393599.

The spelling of 545055 in words is "five hundred forty-five thousand, fifty-five".