52122853865 has 8 divisors (see below), whose sum is σ = 62549582400. Its totient is φ = 41696844592.

The previous prime is 52122853847. The next prime is 52122853889. The reversal of 52122853865 is 56835822125.

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 52122853865 - 2²⁰ = 52121805289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4919 + ... + 322908.

It is an arithmetic number, because the mean of its divisors is an integer number (7818697800).

Almost surely, 2^52122853865 is an apocalyptic number.

It is an amenable number.

52122853865 is a deficient number, since it is larger than the sum of its proper divisors (10426728535).

52122853865 is a wasteful number, since it uses less digits than its factorization.

52122853865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359631.

The product of its digits is 1152000, while the sum is 47.

The spelling of 52122853865 in words is "fifty-two billion, one hundred twenty-two million, eight hundred fifty-three thousand, eight hundred sixty-five".