545700 has 72 divisors (see below), whose sum is σ = 1687392. Its totient is φ = 135680.

The previous prime is 545663. The next prime is 545711. The reversal of 545700 is 7545.

It is an unprimeable number.

545700 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 23 ways as a sum of consecutive naturals, for example, 5047 + ... + 5153.

It is an arithmetic number, because the mean of its divisors is an integer number (23436).

2⁵⁴⁵⁷⁰⁰ is an apocalyptic number.

545700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (843696).

545700 is an abundant number, since it is smaller than the sum of its proper divisors (1141692).

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

545700 is a wasteful number, since it uses less digits than its factorization.

545700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 545700 is about 738.7151006985. The cubic root of 545700 is about 81.7180480955.

The spelling of 545700 in words is "five hundred forty-five thousand, seven hundred".