506516565056 has 14 divisors (see below), whose sum is σ = 1005118808910. Its totient is φ = 253258282496.

The previous prime is 506516565053. The next prime is 506516565109. The reversal of 506516565056 is 650565615605.

It can be written as a sum of positive squares in only one way, i.e., 457268078656 + 49248486400 = 676216^2 + 221920^2 .

It is a super-2 number, since 2×506516565056² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 506516564995 and 506516565013.

It is not an unprimeable number, because it can be changed into a prime (506516565053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3957160601 + ... + 3957160728.

Almost surely, 2^506516565056 is an apocalyptic number.

It is an amenable number.

506516565056 is a deficient number, since it is larger than the sum of its proper divisors (498602243854).

506516565056 is an equidigital number, since it uses as much as digits as its factorization.

506516565056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7914321341 (or 7914321331 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 50.

The spelling of 506516565056 in words is "five hundred six billion, five hundred sixteen million, five hundred sixty-five thousand, fifty-six".