56782028764 has 24 divisors (see below), whose sum is σ = 100878220800. Its totient is φ = 27960554160.

The previous prime is 56782028759. The next prime is 56782028801. The reversal of 56782028764 is 46782028765.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152217 + ... + 369775.

It is an arithmetic number, because the mean of its divisors is an integer number (4203259200).

Almost surely, 2^56782028764 is an apocalyptic number.

It is an amenable number.

56782028764 is a deficient number, since it is larger than the sum of its proper divisors (44096192036).

56782028764 is a wasteful number, since it uses less digits than its factorization.

56782028764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218553 (or 218551 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 55.

Subtracting from 56782028764 its reverse (46782028765), we obtain a palindrome (9999999999).

The spelling of 56782028764 in words is "fifty-six billion, seven hundred eighty-two million, twenty-eight thousand, seven hundred sixty-four".