545784 has 16 divisors (see below), whose sum is σ = 1364520. Its totient is φ = 181920.

The previous prime is 545773. The next prime is 545789. The reversal of 545784 is 487545.

545784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×545784³ = 487734699733350912, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545789) 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, 11347 + ... + 11394.

2⁵⁴⁵⁷⁸⁴ is an apocalyptic number.

It is an amenable number.

545784 is an abundant number, since it is smaller than the sum of its proper divisors (818736).

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

545784 is a wasteful number, since it uses less digits than its factorization.

545784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22750 (or 22746 counting only the distinct ones).

The product of its digits is 22400, while the sum is 33.

The square root of 545784 is about 738.7719539885. The cubic root of 545784 is about 81.7222408534.

The spelling of 545784 in words is "five hundred forty-five thousand, seven hundred eighty-four".