545584 has 40 divisors (see below), whose sum is σ = 1183952. Its totient is φ = 241920.

The previous prime is 545579. The next prime is 545599. The reversal of 545584 is 485545.

Its product of digits (16000) is a multiple of the sum of its prime factors (125).

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

545584 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8914 + ... + 8974.

2⁵⁴⁵⁵⁸⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (591976).

545584 is an abundant number, since it is smaller than the sum of its proper divisors (638368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545584 is a wasteful number, since it uses less digits than its factorization.

545584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 119 counting only the distinct ones).

The product of its digits is 16000, while the sum is 31.

The square root of 545584 is about 738.6365818181. The cubic root of 545584 is about 81.7122573892.

The spelling of 545584 in words is "five hundred forty-five thousand, five hundred eighty-four".