56074644647065 has 24 divisors (see below), whose sum is σ = 73963424702664. Its totient is φ = 40781281305600.

The previous prime is 56074644647023. The next prime is 56074644647071.

It is a happy number.

56074644647065 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 3058654707801 + 53015989939264 = 1748901^2 + 7281208^2 .

It is not a de Polignac number, because 56074644647065 - 2¹¹ = 56074644645017 is a prime.

It is a super-2 number, since 2×56074644647065² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56074644646988 and 56074644647006.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139082409 + ... + 139485001.

It is an arithmetic number, because the mean of its divisors is an integer number (3081809362611).

Almost surely, 2^{56074644647065} is an apocalyptic number.

56074644647065 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56074644647065 is a deficient number, since it is larger than the sum of its proper divisors (17888780055599).

56074644647065 is a wasteful number, since it uses less digits than its factorization.

56074644647065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632841 (or 632830 counting only the distinct ones).

The product of its (nonzero) digits is 406425600, while the sum is 64.

The spelling of 56074644647065 in words is "fifty-six trillion, seventy-four billion, six hundred forty-four million, six hundred forty-seven thousand, sixty-five".