52665332331 has 8 divisors (see below), whose sum is σ = 70266921984. Its totient is φ = 35086982120.

The previous prime is 52665332329. The next prime is 52665332339. The reversal of 52665332331 is 13323356625.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52665332331 - 2¹ = 52665332329 is a prime.

It is a super-2 number, since 2×52665332331² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52665332331.

It is not an unprimeable number, because it can be changed into a prime (52665332339) 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, 5804571 + ... + 5813636.

It is an arithmetic number, because the mean of its divisors is an integer number (8783365248).

Almost surely, 2^52665332331 is an apocalyptic number.

52665332331 is a deficient number, since it is larger than the sum of its proper divisors (17601589653).

52665332331 is a wasteful number, since it uses less digits than its factorization.

52665332331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11619721.

The product of its digits is 291600, while the sum is 39.

Adding to 52665332331 its reverse (13323356625), we get a palindrome (65988688956).

The spelling of 52665332331 in words is "fifty-two billion, six hundred sixty-five million, three hundred thirty-two thousand, three hundred thirty-one".