5055554981 has 2 divisors, whose sum is σ = 5055554982. Its totient is φ = 5055554980.

The previous prime is 5055554893. The next prime is 5055555023. The reversal of 5055554981 is 1894555505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2905749025 + 2149805956 = 53905^2 + 46366^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5055554981 is a prime.

It is a super-2 number, since 2×5055554981² = 51117272331827820722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5055554381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527777490 + 2527777491.

It is an arithmetic number, because the mean of its divisors is an integer number (2527777491).

Almost surely, 2^5055554981 is an apocalyptic number.

It is an amenable number.

5055554981 is a deficient number, since it is larger than the sum of its proper divisors (1).

5055554981 is an equidigital number, since it uses as much as digits as its factorization.

5055554981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900000, while the sum is 47.

The square root of 5055554981 is about 71102.4259853347. The cubic root of 5055554981 is about 1716.2858131749.

The spelling of 5055554981 in words is "five billion, fifty-five million, five hundred fifty-four thousand, nine hundred eighty-one".