53573883328 has 56 divisors (see below), whose sum is σ = 121764239072. Its totient is φ = 22909906944.

The previous prime is 53573883313. The next prime is 53573883331. The reversal of 53573883328 is 82338837535.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

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, 73900 + ... + 335572.

It is an arithmetic number, because the mean of its divisors is an integer number (2174361412).

Almost surely, 2^53573883328 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 53573883328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60882119536).

53573883328 is an abundant number, since it is smaller than the sum of its proper divisors (68190355744).

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

53573883328 is a wasteful number, since it uses less digits than its factorization.

53573883328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262149 (or 262139 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 55.

The spelling of 53573883328 in words is "fifty-three billion, five hundred seventy-three million, eight hundred eighty-three thousand, three hundred twenty-eight".