545928 has 48 divisors (see below), whose sum is σ = 1459920. Its totient is φ = 170016.

The previous prime is 545917. The next prime is 545929. The reversal of 545928 is 829545.

It is not an unprimeable number, because it can be changed into a prime (545929) by changing a digit.

545928 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 11 ways as a sum of consecutive naturals, for example, 12675 + ... + 12717.

It is an arithmetic number, because the mean of its divisors is an integer number (30415).

545928 is a Friedman number, since it can be written as 529*(8+4^5), using all its digits and the basic arithmetic operations.

2⁵⁴⁵⁹²⁸ 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 545928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (729960).

545928 is an abundant number, since it is smaller than the sum of its proper divisors (913992).

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

545928 is a wasteful number, since it uses less digits than its factorization.

545928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 71 counting only the distinct ones).

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

The square root of 545928 is about 738.8694065936. The cubic root of 545928 is about 81.7294274375.

The spelling of 545928 in words is "five hundred forty-five thousand, nine hundred twenty-eight".