545910 has 32 divisors (see below), whose sum is σ = 1354752. Its totient is φ = 140640.

The previous prime is 545899. The next prime is 545911. The reversal of 545910 is 19545.

It is a congruent number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637 + ... + 1223.

It is an arithmetic number, because the mean of its divisors is an integer number (42336).

2⁵⁴⁵⁹¹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677376).

545910 is an abundant number, since it is smaller than the sum of its proper divisors (808842).

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

545910 is a wasteful number, since it uses less digits than its factorization.

545910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 545910 is about 738.8572257209. The cubic root of 545910 is about 81.7285291836.

The spelling of 545910 in words is "five hundred forty-five thousand, nine hundred ten".