56785518770 has 16 divisors (see below), whose sum is σ = 102222592920. Its totient is φ = 22712283264.

The previous prime is 56785518749. The next prime is 56785518817. The reversal of 56785518770 is 7781558765.

It can be written as a sum of positive squares in 4 ways, for example, as 50069880169 + 6715638601 = 223763^2 + 81949^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113387 + ... + 355566.

Almost surely, 2^56785518770 is an apocalyptic number.

56785518770 is a deficient number, since it is larger than the sum of its proper divisors (45437074150).

56785518770 is a wasteful number, since it uses less digits than its factorization.

56785518770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481069.

The product of its (nonzero) digits is 16464000, while the sum is 59.

The spelling of 56785518770 in words is "fifty-six billion, seven hundred eighty-five million, five hundred eighteen thousand, seven hundred seventy".