52685569121 has 8 divisors (see below), whose sum is σ = 53973917088. Its totient is φ = 51397380000.

The previous prime is 52685569087. The next prime is 52685569141. The reversal of 52685569121 is 12196558625.

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 52685569121 - 2³⁴ = 35505699937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52685569121.

It is not an unprimeable number, because it can be changed into a prime (52685569141) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 900326 + ... + 957056.

It is an arithmetic number, because the mean of its divisors is an integer number (6746739636).

Almost surely, 2^52685569121 is an apocalyptic number.

It is an amenable number.

52685569121 is a deficient number, since it is larger than the sum of its proper divisors (1288347967).

52685569121 is a wasteful number, since it uses less digits than its factorization.

52685569121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79423.

The product of its digits is 1296000, while the sum is 50.

The spelling of 52685569121 in words is "fifty-two billion, six hundred eighty-five million, five hundred sixty-nine thousand, one hundred twenty-one".