52529687318 has 8 divisors (see below), whose sum is σ = 78795504648. Its totient is φ = 26264519104.

The previous prime is 52529687279. The next prime is 52529687339. The reversal of 52529687318 is 81378692525.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 222605 + ... + 393207.

It is an arithmetic number, because the mean of its divisors is an integer number (9849438081).

Almost surely, 2^52529687318 is an apocalyptic number.

52529687318 is a deficient number, since it is larger than the sum of its proper divisors (26265817330).

52529687318 is a wasteful number, since it uses less digits than its factorization.

52529687318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324558.

The product of its digits is 7257600, while the sum is 56.

The spelling of 52529687318 in words is "fifty-two billion, five hundred twenty-nine million, six hundred eighty-seven thousand, three hundred eighteen".