53328500 has 24 divisors (see below), whose sum is σ = 116470536. Its totient is φ = 21331200.

The previous prime is 53328437. The next prime is 53328521. The reversal of 53328500 is 582335.

It can be written as a sum of positive squares in 4 ways, for example, as 155236 + 53173264 = 394^2 + 7292^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53328500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52829 + ... + 53828.

It is an arithmetic number, because the mean of its divisors is an integer number (4852939).

Almost surely, 2^53328500 is an apocalyptic number.

53328500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53328500 is an abundant number, since it is smaller than the sum of its proper divisors (63142036).

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

53328500 is a wasteful number, since it uses less digits than its factorization.

53328500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106676 (or 106664 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 53328500 is about 7302.6365101927. The cubic root of 53328500 is about 376.4030403569.

The spelling of 53328500 in words is "fifty-three million, three hundred twenty-eight thousand, five hundred".