52439980161 has 8 divisors (see below), whose sum is σ = 69942978144. Its totient is φ = 34948484480.

The previous prime is 52439980147. The next prime is 52439980171. The reversal of 52439980161 is 16108993425.

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 52439980161 - 2⁹ = 52439979649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52439980161.

It is not an unprimeable number, because it can be changed into a prime (52439980141) 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, 2864931 + ... + 2883176.

It is an arithmetic number, because the mean of its divisors is an integer number (8742872268).

Almost surely, 2^52439980161 is an apocalyptic number.

It is an amenable number.

52439980161 is a deficient number, since it is larger than the sum of its proper divisors (17502997983).

52439980161 is a wasteful number, since it uses less digits than its factorization.

52439980161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5751151.

The product of its (nonzero) digits is 466560, while the sum is 48.

The spelling of 52439980161 in words is "fifty-two billion, four hundred thirty-nine million, nine hundred eighty thousand, one hundred sixty-one".