545916 has 48 divisors (see below), whose sum is σ = 1492736. Its totient is φ = 152064.

The previous prime is 545911. The next prime is 545917. The reversal of 545916 is 619545.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 545916.

It is not an unprimeable number, because it can be changed into a prime (545911) by changing a digit.

545916 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 15 ways as a sum of consecutive naturals, for example, 5580 + ... + 5676.

2⁵⁴⁵⁹¹⁶ 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 545916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (746368).

545916 is an abundant number, since it is smaller than the sum of its proper divisors (946820).

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

545916 is a wasteful number, since it uses less digits than its factorization.

545916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 176 counting only the distinct ones).

The product of its digits is 5400, while the sum is 30.

The square root of 545916 is about 738.8612860341. The cubic root of 545916 is about 81.7288286037.

The spelling of 545916 in words is "five hundred forty-five thousand, nine hundred sixteen".