52885636645 has 8 divisors (see below), whose sum is σ = 63548182656. Its totient is φ = 42251563536.

The previous prime is 52885636637. The next prime is 52885636663. The reversal of 52885636645 is 54663658825.

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 52885636645 - 2³ = 52885636637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52885636645.

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, 7114137 + ... + 7121566.

It is an arithmetic number, because the mean of its divisors is an integer number (7943522832).

Almost surely, 2^52885636645 is an apocalyptic number.

It is an amenable number.

52885636645 is a deficient number, since it is larger than the sum of its proper divisors (10662546011).

52885636645 is a wasteful number, since it uses less digits than its factorization.

52885636645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14236451.

The product of its digits is 41472000, while the sum is 58.

The spelling of 52885636645 in words is "fifty-two billion, eight hundred eighty-five million, six hundred thirty-six thousand, six hundred forty-five".