52643653464 has 16 divisors (see below), whose sum is σ = 131609133720. Its totient is φ = 17547884480.

The previous prime is 52643653463. The next prime is 52643653471. The reversal of 52643653464 is 46435634625.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52643653463) 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 3 ways as a sum of consecutive naturals, for example, 1096742757 + ... + 1096742804.

Almost surely, 2^52643653464 is an apocalyptic number.

It is an amenable number.

52643653464 is an abundant number, since it is smaller than the sum of its proper divisors (78965480256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52643653464 is a wasteful number, since it uses less digits than its factorization.

52643653464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193485570 (or 2193485566 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 48.

The spelling of 52643653464 in words is "fifty-two billion, six hundred forty-three million, six hundred fifty-three thousand, four hundred sixty-four".