56682735472 has 40 divisors (see below), whose sum is σ = 119837084400. Its totient is φ = 25758343680.

The previous prime is 56682735443. The next prime is 56682735491. The reversal of 56682735472 is 27453728665.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692154 + ... + 769702.

It is an arithmetic number, because the mean of its divisors is an integer number (2995927110).

Almost surely, 2^56682735472 is an apocalyptic number.

It is an amenable number.

56682735472 is an abundant number, since it is smaller than the sum of its proper divisors (63154348928).

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

56682735472 is a wasteful number, since it uses less digits than its factorization.

56682735472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81721 (or 81715 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 55.

The spelling of 56682735472 in words is "fifty-six billion, six hundred eighty-two million, seven hundred thirty-five thousand, four hundred seventy-two".