545054 has 24 divisors (see below), whose sum is σ = 928368. Its totient is φ = 239360.

The previous prime is 545033. The next prime is 545057. The reversal of 545054 is 450545.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an alternating number because its digits alternate between odd and even.

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 11 ways as a sum of consecutive naturals, for example, 13274 + ... + 13314.

It is an arithmetic number, because the mean of its divisors is an integer number (38682).

2⁵⁴⁵⁰⁵⁴ is an apocalyptic number.

545054 is a deficient number, since it is larger than the sum of its proper divisors (383314).

545054 is a wasteful number, since it uses less digits than its factorization.

545054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 545054 is about 738.2777255207. The cubic root of 545054 is about 81.6857894041.

Adding to 545054 its reverse (450545), we get a palindrome (995599).

The spelling of 545054 in words is "five hundred forty-five thousand, fifty-four".