56806771040 has 48 divisors (see below), whose sum is σ = 134235390240. Its totient is φ = 22717731840.

The previous prime is 56806771037. The next prime is 56806771051. The reversal of 56806771040 is 4017760865.

It is a junction number, because it is equal to n+sod(n) for n = 56806770982 and 56806771000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742916 + ... + 815804.

It is an arithmetic number, because the mean of its divisors is an integer number (2796570630).

Almost surely, 2^56806771040 is an apocalyptic number.

It is an amenable number.

56806771040 is an abundant number, since it is smaller than the sum of its proper divisors (77428619200).

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

56806771040 is a wasteful number, since it uses less digits than its factorization.

56806771040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77775 (or 77767 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 56806771040 in words is "fifty-six billion, eight hundred six million, seven hundred seventy-one thousand, forty".