52208860585885 has 16 divisors (see below), whose sum is σ = 64375605630000. Its totient is φ = 40618219239936.

The previous prime is 52208860585877. The next prime is 52208860585891. The reversal of 52208860585885 is 58858506880225.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3594470936281 + 48614389649604 = 1895909^2 + 6972402^2 .

It is a cyclic number.

It is not a de Polignac number, because 52208860585885 - 2³ = 52208860585877 is a prime.

It is a super-2 number, since 2×52208860585885² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69168760 + ... + 69919489.

It is an arithmetic number, because the mean of its divisors is an integer number (4023475351875).

Almost surely, 2^{52208860585885} is an apocalyptic number.

It is an amenable number.

52208860585885 is a deficient number, since it is larger than the sum of its proper divisors (12166745044115).

52208860585885 is a wasteful number, since it uses less digits than its factorization.

52208860585885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139090320.

The product of its (nonzero) digits is 491520000, while the sum is 70.

The spelling of 52208860585885 in words is "fifty-two trillion, two hundred eight billion, eight hundred sixty million, five hundred eighty-five thousand, eight hundred eighty-five".