53031105664 has 64 divisors (see below), whose sum is σ = 109354118400. Its totient is φ = 25586426880.

The previous prime is 53031105653. The next prime is 53031105667. The reversal of 53031105664 is 46650113035.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (53031105667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9154609 + ... + 9160399.

It is an arithmetic number, because the mean of its divisors is an integer number (1708658100).

Almost surely, 2^53031105664 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 53031105664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54677059200).

53031105664 is an abundant number, since it is smaller than the sum of its proper divisors (56323012736).

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

53031105664 is a wasteful number, since it uses less digits than its factorization.

53031105664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8301 (or 8289 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 53031105664 its reverse (46650113035), we get a palindrome (99681218699).

The spelling of 53031105664 in words is "fifty-three billion, thirty-one million, one hundred five thousand, six hundred sixty-four".