545982 has 8 divisors (see below), whose sum is σ = 1091976. Its totient is φ = 181992.

The previous prime is 545959. The next prime is 546001. The reversal of 545982 is 289545.

545982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

545982 is an admirable number.

It is a congruent number.

It is an unprimeable number.

545982 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 in 3 ways as a sum of consecutive naturals, for example, 45493 + ... + 45504.

It is an arithmetic number, because the mean of its divisors is an integer number (136497).

2⁵⁴⁵⁹⁸² is an apocalyptic number.

545982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

545982 is a wasteful number, since it uses less digits than its factorization.

545982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91002.

The product of its digits is 14400, while the sum is 33.

The square root of 545982 is about 738.9059480069. The cubic root of 545982 is about 81.7321220807.

The spelling of 545982 in words is "five hundred forty-five thousand, nine hundred eighty-two".