53322013312 has 128 divisors (see below), whose sum is σ = 109759017600. Its totient is φ = 25794478080.

The previous prime is 53322013301. The next prime is 53322013313. The reversal of 53322013312 is 21331022335.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (53322013313) 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, 140691139 + ... + 140691517.

It is an arithmetic number, because the mean of its divisors is an integer number (857492325).

Almost surely, 2^53322013312 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 53322013312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54879508800).

53322013312 is an abundant number, since it is smaller than the sum of its proper divisors (56437004288).

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

53322013312 is a wasteful number, since it uses less digits than its factorization.

53322013312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 53322013312 its reverse (21331022335), we get a palindrome (74653035647).

The spelling of 53322013312 in words is "fifty-three billion, three hundred twenty-two million, thirteen thousand, three hundred twelve".