52152431320 has 128 divisors (see below), whose sum is σ = 134184314880. Its totient is φ = 18071424000.

The previous prime is 52152431273. The next prime is 52152431323. The reversal of 52152431320 is 2313425125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52152431323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 742105 + ... + 809335.

It is an arithmetic number, because the mean of its divisors is an integer number (1048314960).

Almost surely, 2^52152431320 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 52152431320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67092157440).

52152431320 is an abundant number, since it is smaller than the sum of its proper divisors (82031883560).

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

52152431320 is a wasteful number, since it uses less digits than its factorization.

52152431320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67337 (or 67333 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 52152431320 its reverse (2313425125), we get a palindrome (54465856445).

The spelling of 52152431320 in words is "fifty-two billion, one hundred fifty-two million, four hundred thirty-one thousand, three hundred twenty".