545021300 has 18 divisors (see below), whose sum is σ = 1182696438. Its totient is φ = 218008480.

The previous prime is 545021249. The next prime is 545021339. The reversal of 545021300 is 3120545.

545021300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 77510416 + 467510884 = 8804^2 + 21622^2 .

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 5 ways as a sum of consecutive naturals, for example, 2725007 + ... + 2725206.

Almost surely, 2^545021300 is an apocalyptic number.

545021300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

545021300 is an abundant number, since it is smaller than the sum of its proper divisors (637675138).

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

545021300 is a wasteful number, since it uses less digits than its factorization.

545021300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5450227 (or 5450220 counting only the distinct ones).

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

The square root of 545021300 is about 23345.6912512780. The cubic root of 545021300 is about 816.8415581753.

Adding to 545021300 its reverse (3120545), we get a palindrome (548141845).

The spelling of 545021300 in words is "five hundred forty-five million, twenty-one thousand, three hundred".