56927865065 has 16 divisors (see below), whose sum is σ = 72347936400. Its totient is φ = 42853816320.

The previous prime is 56927865061. The next prime is 56927865097. The reversal of 56927865065 is 56056872965.

It can be written as a sum of positive squares in 8 ways, for example, as 1700985049 + 55226880016 = 41243^2 + 235004^2 .

It is not a de Polignac number, because 56927865065 - 2² = 56927865061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56927864995 and 56927865013.

It is not an unprimeable number, because it can be changed into a prime (56927865061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323135 + ... + 467195.

It is an arithmetic number, because the mean of its divisors is an integer number (4521746025).

Almost surely, 2^56927865065 is an apocalyptic number.

It is an amenable number.

56927865065 is a deficient number, since it is larger than the sum of its proper divisors (15420071335).

56927865065 is a wasteful number, since it uses less digits than its factorization.

56927865065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148732.

The product of its (nonzero) digits is 27216000, while the sum is 59.

The spelling of 56927865065 in words is "fifty-six billion, nine hundred twenty-seven million, eight hundred sixty-five thousand, sixty-five".