53304500 has 96 divisors (see below), whose sum is σ = 127196160. Its totient is φ = 19440000.

The previous prime is 53304499. The next prime is 53304521. The reversal of 53304500 is 540335.

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 31 ways as a sum of consecutive naturals, for example, 294410 + ... + 294590.

It is an arithmetic number, because the mean of its divisors is an integer number (1324960).

Almost surely, 2^53304500 is an apocalyptic number.

53304500 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 53304500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63598080).

53304500 is an abundant number, since it is smaller than the sum of its proper divisors (73891660).

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

53304500 is a wasteful number, since it uses less digits than its factorization.

53304500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 53304500 is about 7300.9930831360. The cubic root of 53304500 is about 376.3465663109.

Adding to 53304500 its reverse (540335), we get a palindrome (53844835).

The spelling of 53304500 in words is "fifty-three million, three hundred four thousand, five hundred".