52655981569 has 16 divisors (see below), whose sum is σ = 59400420480. Its totient is φ = 46426089600.

The previous prime is 52655981557. The next prime is 52655981579. The reversal of 52655981569 is 96518955625.

It is a de Polignac number, because none of the positive numbers 2^k-52655981569 is a prime.

It is a super-2 number, since 2×52655981569² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52655981579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1612132 + ... + 1644469.

It is an arithmetic number, because the mean of its divisors is an integer number (3712526280).

Almost surely, 2^52655981569 is an apocalyptic number.

It is an amenable number.

52655981569 is a deficient number, since it is larger than the sum of its proper divisors (6744438911).

52655981569 is a wasteful number, since it uses less digits than its factorization.

52655981569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256680.

The product of its digits is 29160000, while the sum is 61.

The spelling of 52655981569 in words is "fifty-two billion, six hundred fifty-five million, nine hundred eighty-one thousand, five hundred sixty-nine".