52185221888867 has 16 divisors (see below), whose sum is σ = 54098480916480. Its totient is φ = 50304331022400.

The previous prime is 52185221888801. The next prime is 52185221888881. The reversal of 52185221888867 is 76888812258125.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 52185221888867 - 2²⁴ = 52185205111651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52185221888867.

It is not an unprimeable number, because it can be changed into a prime (52185221882867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4381142 + ... + 11115972.

It is an arithmetic number, because the mean of its divisors is an integer number (3381155057280).

Almost surely, 2^{52185221888867} is an apocalyptic number.

52185221888867 is a deficient number, since it is larger than the sum of its proper divisors (1913259027613).

52185221888867 is a wasteful number, since it uses less digits than its factorization.

52185221888867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737234.

The product of its digits is 275251200, while the sum is 71.

The spelling of 52185221888867 in words is "fifty-two trillion, one hundred eighty-five billion, two hundred twenty-one million, eight hundred eighty-eight thousand, eight hundred sixty-seven".