545955 has 16 divisors (see below), whose sum is σ = 925344. Its totient is φ = 273920.

The previous prime is 545947. The next prime is 545959. The reversal of 545955 is 559545.

It is not a de Polignac number, because 545955 - 2³ = 545947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 816 + ... + 1325.

It is an arithmetic number, because the mean of its divisors is an integer number (57834).

2⁵⁴⁵⁹⁵⁵ is an apocalyptic number.

545955 is a deficient number, since it is larger than the sum of its proper divisors (379389).

545955 is a wasteful number, since it uses less digits than its factorization.

545955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166.

The product of its digits is 22500, while the sum is 33.

The square root of 545955 is about 738.8876775262. The cubic root of 545955 is about 81.7307747813.

The spelling of 545955 in words is "five hundred forty-five thousand, nine hundred fifty-five".