52006002056581 has 2 divisors, whose sum is σ = 52006002056582. Its totient is φ = 52006002056580.

The previous prime is 52006002056557. The next prime is 52006002056611. The reversal of 52006002056581 is 18565020060025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50297400148356 + 1708601908225 = 7092066^2 + 1307135^2 .

It is a cyclic number.

It is not a de Polignac number, because 52006002056581 - 2²⁹ = 52005465185669 is a prime.

It is a super-2 number, since 2×52006002056581² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52006002056381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26003001028290 + 26003001028291.

It is an arithmetic number, because the mean of its divisors is an integer number (26003001028291).

Almost surely, 2^{52006002056581} is an apocalyptic number.

It is an amenable number.

52006002056581 is a deficient number, since it is larger than the sum of its proper divisors (1).

52006002056581 is an equidigital number, since it uses as much as digits as its factorization.

52006002056581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 52006002056581 in words is "fifty-two trillion, six billion, two million, fifty-six thousand, five hundred eighty-one".