53189500320 has 288 divisors, whose sum is σ = 199529313984. Its totient is φ = 12795494400.

The previous prime is 53189500253. The next prime is 53189500369. The reversal of 53189500320 is 2300598135.

53189500320 is a `hidden beast` number, since 53 + 1 + 89 + 500 + 3 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2062224 + ... + 2087856.

It is an arithmetic number, because the mean of its divisors is an integer number (692810118).

Almost surely, 2^53189500320 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 53189500320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99764656992).

53189500320 is an abundant number, since it is smaller than the sum of its proper divisors (146339813664).

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

53189500320 is a wasteful number, since it uses less digits than its factorization.

53189500320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25796 (or 25785 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 53189500320 in words is "fifty-three billion, one hundred eighty-nine million, five hundred thousand, three hundred twenty".