53335466688 has 126 divisors (see below), whose sum is σ = 164225199108. Its totient is φ = 15232304640.

The previous prime is 53335466641. The next prime is 53335466689. The reversal of 53335466688 is 88666453335.

It is a happy number.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (53335466689) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 22399258 + ... + 22401638.

Almost surely, 2^53335466688 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 53335466688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82112599554).

53335466688 is an abundant number, since it is smaller than the sum of its proper divisors (110889732420).

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

53335466688 is an frugal number, since it uses more digits than its factorization.

53335466688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4791 (or 2393 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 57.

The spelling of 53335466688 in words is "fifty-three billion, three hundred thirty-five million, four hundred sixty-six thousand, six hundred eighty-eight".