56839043644 has 12 divisors (see below), whose sum is σ = 100380880600. Its totient is φ = 28158792048.

The previous prime is 56839043633. The next prime is 56839043659. The reversal of 56839043644 is 44634093865.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 56839043591 and 56839043600.

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, 65181954 + ... + 65182825.

Almost surely, 2^56839043644 is an apocalyptic number.

It is an amenable number.

56839043644 is a deficient number, since it is larger than the sum of its proper divisors (43541836956).

56839043644 is a wasteful number, since it uses less digits than its factorization.

56839043644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130364892 (or 130364890 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 52.

The spelling of 56839043644 in words is "fifty-six billion, eight hundred thirty-nine million, forty-three thousand, six hundred forty-four".