53265465344 has 128 divisors (see below), whose sum is σ = 131120330880. Its totient is φ = 21070872576.

The previous prime is 53265465343. The next prime is 53265465349. The reversal of 53265465344 is 44356456235.

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 (53265465343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2972957 + ... + 2990819.

It is an arithmetic number, because the mean of its divisors is an integer number (1024377585).

Almost surely, 2^53265465344 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 53265465344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65560165440).

53265465344 is an abundant number, since it is smaller than the sum of its proper divisors (77854865536).

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

53265465344 is an equidigital number, since it uses as much as digits as its factorization.

53265465344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17913 (or 17885 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 47.

The spelling of 53265465344 in words is "fifty-three billion, two hundred sixty-five million, four hundred sixty-five thousand, three hundred forty-four".