52431313648 has 80 divisors (see below), whose sum is σ = 119040255936. Its totient is φ = 21902100480.

The previous prime is 52431313643. The next prime is 52431313681. The reversal of 52431313648 is 84631313425.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 52431313648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52431313643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5565390 + ... + 5574802.

Almost surely, 2^52431313648 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 52431313648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59520127968).

52431313648 is an abundant number, since it is smaller than the sum of its proper divisors (66608942288).

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

52431313648 is a wasteful number, since it uses less digits than its factorization.

52431313648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10682 (or 10676 counting only the distinct ones).

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

The spelling of 52431313648 in words is "fifty-two billion, four hundred thirty-one million, three hundred thirteen thousand, six hundred forty-eight".