5590553825581 has 2 divisors, whose sum is σ = 5590553825582. Its totient is φ = 5590553825580.

The previous prime is 5590553825573. The next prime is 5590553825599. The reversal of 5590553825581 is 1855283550955.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4792552856100 + 798000969481 = 2189190^2 + 893309^2 .

It is a cyclic number.

It is not a de Polignac number, because 5590553825581 - 2³ = 5590553825573 is a prime.

It is a super-2 number, since 2×5590553825581² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5590553825501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2795276912790 + 2795276912791.

It is an arithmetic number, because the mean of its divisors is an integer number (2795276912791).

Almost surely, 2^{5590553825581} is an apocalyptic number.

It is an amenable number.

5590553825581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5590553825581 is an equidigital number, since it uses as much as digits as its factorization.

5590553825581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000000, while the sum is 61.

The spelling of 5590553825581 in words is "five trillion, five hundred ninety billion, five hundred fifty-three million, eight hundred twenty-five thousand, five hundred eighty-one".