545760 has 72 divisors (see below), whose sum is σ = 1867320. Its totient is φ = 145152.

The previous prime is 545759. The next prime is 545773. The reversal of 545760 is 67545.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1251 + ... + 1629.

It is an arithmetic number, because the mean of its divisors is an integer number (25935).

2⁵⁴⁵⁷⁶⁰ 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 545760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (933660).

545760 is an abundant number, since it is smaller than the sum of its proper divisors (1321560).

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

545760 is a wasteful number, since it uses less digits than its factorization.

545760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 545760 is about 738.7557106378. The cubic root of 545760 is about 81.7210429664.

The spelling of 545760 in words is "five hundred forty-five thousand, seven hundred sixty".