52209825566 has 16 divisors (see below), whose sum is σ = 79167159648. Its totient is φ = 25821276000.

The previous prime is 52209825557. The next prime is 52209825581. The reversal of 52209825566 is 66552890225.

It is a congruent number.

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, 82916 + ... + 333608.

It is an arithmetic number, because the mean of its divisors is an integer number (4947947478).

Almost surely, 2^52209825566 is an apocalyptic number.

52209825566 is a deficient number, since it is larger than the sum of its proper divisors (26957334082).

52209825566 is a wasteful number, since it uses less digits than its factorization.

52209825566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251827.

The product of its (nonzero) digits is 2592000, while the sum is 50.

The spelling of 52209825566 in words is "fifty-two billion, two hundred nine million, eight hundred twenty-five thousand, five hundred sixty-six".