5488054051981 has 2 divisors, whose sum is σ = 5488054051982. Its totient is φ = 5488054051980.

The previous prime is 5488054051939. The next prime is 5488054052003. The reversal of 5488054051981 is 1891504508845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3291107567881 + 2196946484100 = 1814141^2 + 1482210^2 .

It is a cyclic number.

It is not a de Polignac number, because 5488054051981 - 2⁷ = 5488054051853 is a prime.

It is a super-2 number, since 2×5488054051981² (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 (5488054054981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2744027025990 + 2744027025991.

It is an arithmetic number, because the mean of its divisors is an integer number (2744027025991).

Almost surely, 2^{5488054051981} is an apocalyptic number.

It is an amenable number.

5488054051981 is a deficient number, since it is larger than the sum of its proper divisors (1).

5488054051981 is an equidigital number, since it uses as much as digits as its factorization.

5488054051981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216000, while the sum is 58.

The spelling of 5488054051981 in words is "five trillion, four hundred eighty-eight billion, fifty-four million, fifty-one thousand, nine hundred eighty-one".