52863390646 has 24 divisors (see below), whose sum is σ = 89970656832. Its totient is φ = 23253687600.

The previous prime is 52863390571. The next prime is 52863390683. The reversal of 52863390646 is 64609336825.

It is a junction number, because it is equal to n+sod(n) for n = 52863390593 and 52863390602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3515785 + ... + 3530788.

It is an arithmetic number, because the mean of its divisors is an integer number (3748777368).

Almost surely, 2^52863390646 is an apocalyptic number.

52863390646 is a deficient number, since it is larger than the sum of its proper divisors (37107266186).

52863390646 is a wasteful number, since it uses less digits than its factorization.

52863390646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7046628 (or 7046617 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 52.

The spelling of 52863390646 in words is "fifty-two billion, eight hundred sixty-three million, three hundred ninety thousand, six hundred forty-six".