545884 has 6 divisors (see below), whose sum is σ = 955304. Its totient is φ = 272940.

The previous prime is 545873. The next prime is 545893. The reversal of 545884 is 488545.

It is a congruent number.

It is an unprimeable number.

545884 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68232 + ... + 68239.

2⁵⁴⁵⁸⁸⁴ is an apocalyptic number.

It is an amenable number.

545884 is a deficient number, since it is larger than the sum of its proper divisors (409420).

545884 is a wasteful number, since it uses less digits than its factorization.

545884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136475 (or 136473 counting only the distinct ones).

The product of its digits is 25600, while the sum is 34.

The square root of 545884 is about 738.8396307725. The cubic root of 545884 is about 81.7272316709.

The spelling of 545884 in words is "five hundred forty-five thousand, eight hundred eighty-four".