53344240000 has 160 divisors (see below), whose sum is σ = 133220355840. Its totient is φ = 21269760000.

The previous prime is 53344239919. The next prime is 53344240013. The reversal of 53344240000 is 4244335.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30639130 + ... + 30640870.

It is an arithmetic number, because the mean of its divisors is an integer number (832627224).

Almost surely, 2^53344240000 is an apocalyptic number.

53344240000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53344240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66610177920).

53344240000 is an abundant number, since it is smaller than the sum of its proper divisors (79876115840).

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

53344240000 is an equidigital number, since it uses as much as digits as its factorization.

53344240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158 (or 2131 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 53344240000 its reverse (4244335), we get a palindrome (53348484335).

The spelling of 53344240000 in words is "fifty-three billion, three hundred forty-four million, two hundred forty thousand".