545013200 has 60 divisors (see below), whose sum is σ = 1386434700. Its totient is φ = 205178880.

The previous prime is 545013199. The next prime is 545013229. The reversal of 545013200 is 2310545.

It can be written as a sum of positive squares in 6 ways, for example, as 50751376 + 494261824 = 7124^2 + 22232^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 33275 + ... + 46874.

It is an arithmetic number, because the mean of its divisors is an integer number (23107245).

Almost surely, 2^545013200 is an apocalyptic number.

545013200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

545013200 is an abundant number, since it is smaller than the sum of its proper divisors (841421500).

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

545013200 is a wasteful number, since it uses less digits than its factorization.

545013200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80184 (or 80173 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 545013200 is about 23345.5177710840. The cubic root of 545013200 is about 816.8375115754.

Adding to 545013200 its reverse (2310545), we get a palindrome (547323745).

The spelling of 545013200 in words is "five hundred forty-five million, thirteen thousand, two hundred".