545608 has 16 divisors (see below), whose sum is σ = 1169280. Its totient is φ = 233808.

The previous prime is 545599. The next prime is 545609. The reversal of 545608 is 806545.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545609) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4816 + ... + 4927.

It is an arithmetic number, because the mean of its divisors is an integer number (73080).

2⁵⁴⁵⁶⁰⁸ is an apocalyptic number.

It is an amenable number.

545608 is an abundant number, since it is smaller than the sum of its proper divisors (623672).

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

545608 is a wasteful number, since it uses less digits than its factorization.

545608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9756 (or 9752 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 545608 is about 738.6528277885. The cubic root of 545608 is about 81.7134555337.

The spelling of 545608 in words is "five hundred forty-five thousand, six hundred eight".