52135432531 has 48 divisors (see below), whose sum is σ = 66437521920. Its totient is φ = 40545610560.

The previous prime is 52135432523. The next prime is 52135432561. The reversal of 52135432531 is 13523453125.

It is not a de Polignac number, because 52135432531 - 2³ = 52135432523 is a prime.

It is a super-2 number, since 2×52135432531² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52135432561) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8925910 + ... + 8931748.

It is an arithmetic number, because the mean of its divisors is an integer number (1384115040).

Almost surely, 2^52135432531 is an apocalyptic number.

52135432531 is a deficient number, since it is larger than the sum of its proper divisors (14302089389).

52135432531 is a wasteful number, since it uses less digits than its factorization.

52135432531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6104 (or 6097 counting only the distinct ones).

The product of its digits is 54000, while the sum is 34.

Adding to 52135432531 its reverse (13523453125), we get a palindrome (65658885656).

The spelling of 52135432531 in words is "fifty-two billion, one hundred thirty-five million, four hundred thirty-two thousand, five hundred thirty-one".