5600555644581 has 6 divisors (see below), whose sum is σ = 8089691486630. Its totient is φ = 3733703763048.

The previous prime is 5600555644571. The next prime is 5600555644609. The reversal of 5600555644581 is 1854465550065.

5600555644581 is a `hidden beast` number, since 5 + 6 + 0 + 0 + 5 + 5 + 56 + 4 + 4 + 581 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4877317656225 + 723237988356 = 2208465^2 + 850434^2 .

It is not a de Polignac number, because 5600555644581 - 2¹⁴ = 5600555628197 is a prime.

It is a super-2 number, since 2×5600555644581² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5600555644571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 311141980246 + ... + 311141980263.

Almost surely, 2^{5600555644581} is an apocalyptic number.

It is an amenable number.

5600555644581 is a deficient number, since it is larger than the sum of its proper divisors (2489135842049).

5600555644581 is a wasteful number, since it uses less digits than its factorization.

5600555644581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622283960515 (or 622283960512 counting only the distinct ones).

The product of its (nonzero) digits is 14400000, while the sum is 54.

The spelling of 5600555644581 in words is "five trillion, six hundred billion, five hundred fifty-five million, six hundred forty-four thousand, five hundred eighty-one".