52117732320 has 384 divisors, whose sum is σ = 181950281856. Its totient is φ = 12483035136.

The previous prime is 52117732319. The next prime is 52117732327. The reversal of 52117732320 is 2323771125.

52117732320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52117732327) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16000132 + ... + 16003388.

It is an arithmetic number, because the mean of its divisors is an integer number (473828859).

Almost surely, 2^52117732320 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 52117732320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90975140928).

52117732320 is an abundant number, since it is smaller than the sum of its proper divisors (129832549536).

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

52117732320 is a wasteful number, since it uses less digits than its factorization.

52117732320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382 (or 3374 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The spelling of 52117732320 in words is "fifty-two billion, one hundred seventeen million, seven hundred thirty-two thousand, three hundred twenty".