545853728 has 72 divisors (see below), whose sum is σ = 1255025772. Its totient is φ = 233017344.

The previous prime is 545853727. The next prime is 545853767. The reversal of 545853728 is 827358545.

It can be written as a sum of positive squares in 2 ways, for example, as 528448144 + 17405584 = 22988^2 + 4172^2 .

It is not an unprimeable number, because it can be changed into a prime (545853727) 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, 527900 + ... + 528932.

Almost surely, 2^545853728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545853728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627512886).

545853728 is an abundant number, since it is smaller than the sum of its proper divisors (709172044).

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

545853728 is a wasteful number, since it uses less digits than its factorization.

545853728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394 (or 1379 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 47.

The square root of 545853728 is about 23363.5127495846. The cubic root of 545853728 is about 817.2572091492.

The spelling of 545853728 in words is "five hundred forty-five million, eight hundred fifty-three thousand, seven hundred twenty-eight".