52635971644 has 12 divisors (see below), whose sum is σ = 92122795800. Its totient is φ = 26315172848.

The previous prime is 52635971627. The next prime is 52635971669. The reversal of 52635971644 is 44617953625.

It is a junction number, because it is equal to n+sod(n) for n = 52635971591 and 52635971600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660859 + ... + 736210.

It is an arithmetic number, because the mean of its divisors is an integer number (7676899650).

Almost surely, 2^52635971644 is an apocalyptic number.

It is an amenable number.

52635971644 is a deficient number, since it is larger than the sum of its proper divisors (39486824156).

52635971644 is a wasteful number, since it uses less digits than its factorization.

52635971644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406492 (or 1406490 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 52.

The spelling of 52635971644 in words is "fifty-two billion, six hundred thirty-five million, nine hundred seventy-one thousand, six hundred forty-four".