545033320 has 64 divisors (see below), whose sum is σ = 1363299840. Its totient is φ = 194745600.

The previous prime is 545033287. The next prime is 545033329. The reversal of 545033320 is 23330545.

It is a happy number.

It is a super-2 number, since 2×545033320² = 594122639820444800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (545033329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 786 + ... + 33025.

It is an arithmetic number, because the mean of its divisors is an integer number (21301560).

Almost surely, 2^545033320 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 545033320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (681649920).

545033320 is an abundant number, since it is smaller than the sum of its proper divisors (818266520).

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

545033320 is a wasteful number, since it uses less digits than its factorization.

545033320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33866 (or 33862 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 545033320 is about 23345.9486849432. The cubic root of 545033320 is about 816.8475630558.

Adding to 545033320 its reverse (23330545), we get a palindrome (568363865).

The spelling of 545033320 in words is "five hundred forty-five million, thirty-three thousand, three hundred twenty".