53444116660 has 96 divisors (see below), whose sum is σ = 125944689024. Its totient is φ = 18884928000.

The previous prime is 53444116633. The next prime is 53444116711. The reversal of 53444116660 is 6661144435.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1089870 + ... + 1137850.

It is an arithmetic number, because the mean of its divisors is an integer number (1311923844).

Almost surely, 2^53444116660 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 53444116660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62972344512).

53444116660 is an abundant number, since it is smaller than the sum of its proper divisors (72500572364).

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

53444116660 is a wasteful number, since it uses less digits than its factorization.

53444116660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48145 (or 48143 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 53444116660 in words is "fifty-three billion, four hundred forty-four million, one hundred sixteen thousand, six hundred sixty".