545200 has 60 divisors (see below), whose sum is σ = 1383840. Its totient is φ = 206080.

The previous prime is 545189. The next prime is 545203. The reversal of 545200 is 2545.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (545203) 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 11 ways as a sum of consecutive naturals, for example, 11577 + ... + 11623.

It is an arithmetic number, because the mean of its divisors is an integer number (23064).

2⁵⁴⁵²⁰⁰ is an apocalyptic number.

545200 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 545200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691920).

545200 is an abundant number, since it is smaller than the sum of its proper divisors (838640).

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

545200 is a wasteful number, since it uses less digits than its factorization.

545200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 545200 is about 738.3765976790. The cubic root of 545200 is about 81.6930822965.

Adding to 545200 its reverse (2545), we get a palindrome (547745).

The spelling of 545200 in words is "five hundred forty-five thousand, two hundred".