52605173636 has 6 divisors (see below), whose sum is σ = 92059053870. Its totient is φ = 26302586816.

The previous prime is 52605173591. The next prime is 52605173639. The reversal of 52605173636 is 63637150625.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 48534733636 + 4070440000 = 220306^2 + 63800^2 .

It is not an unprimeable number, because it can be changed into a prime (52605173639) by changing a digit.

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 as a sum of consecutive naturals, namely, 6575646701 + ... + 6575646708.

It is an arithmetic number, because the mean of its divisors is an integer number (15343175645).

Almost surely, 2^52605173636 is an apocalyptic number.

It is an amenable number.

52605173636 is a deficient number, since it is larger than the sum of its proper divisors (39453880234).

52605173636 is a wasteful number, since it uses less digits than its factorization.

52605173636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13151293413 (or 13151293411 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 44.

The spelling of 52605173636 in words is "fifty-two billion, six hundred five million, one hundred seventy-three thousand, six hundred thirty-six".