52665211655 has 16 divisors (see below), whose sum is σ = 76027975680. Its totient is φ = 34212588192.

The previous prime is 52665211633. The next prime is 52665211657. The reversal of 52665211655 is 55611256625.

It is a cyclic number.

It is not a de Polignac number, because 52665211655 - 2¹⁸ = 52664949511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52665211657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39597239 + ... + 39598568.

It is an arithmetic number, because the mean of its divisors is an integer number (4751748480).

Almost surely, 2^52665211655 is an apocalyptic number.

52665211655 is a deficient number, since it is larger than the sum of its proper divisors (23362764025).

52665211655 is a wasteful number, since it uses less digits than its factorization.

52665211655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79195838.

The product of its digits is 540000, while the sum is 44.

The spelling of 52665211655 in words is "fifty-two billion, six hundred sixty-five million, two hundred eleven thousand, six hundred fifty-five".