52005845986 has 8 divisors (see below), whose sum is σ = 80698726620. Its totient is φ = 25106270448.

The previous prime is 52005845959. The next prime is 52005846017. The reversal of 52005845986 is 68954850025.

It can be written as a sum of positive squares in 2 ways, for example, as 48503455225 + 3502390761 = 220235^2 + 59181^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448326201 + ... + 448326316.

Almost surely, 2^52005845986 is an apocalyptic number.

52005845986 is a deficient number, since it is larger than the sum of its proper divisors (28692880634).

52005845986 is a wasteful number, since it uses less digits than its factorization.

52005845986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896652548.

The product of its (nonzero) digits is 3456000, while the sum is 52.

The spelling of 52005845986 in words is "fifty-two billion, five million, eight hundred forty-five thousand, nine hundred eighty-six".