5507390981 has 2 divisors, whose sum is σ = 5507390982. Its totient is φ = 5507390980.

The previous prime is 5507390971. The next prime is 5507391017. The reversal of 5507390981 is 1890937055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4711586881 + 795804100 = 68641^2 + 28210^2 .

It is a cyclic number.

It is not a de Polignac number, because 5507390981 - 2²⁶ = 5440282117 is a prime.

It is a super-2 number, since 2×5507390981² = 60662710835200284722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5507390921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2753695490 + 2753695491.

It is an arithmetic number, because the mean of its divisors is an integer number (2753695491).

Almost surely, 2^5507390981 is an apocalyptic number.

It is an amenable number.

5507390981 is a deficient number, since it is larger than the sum of its proper divisors (1).

5507390981 is an equidigital number, since it uses as much as digits as its factorization.

5507390981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 340200, while the sum is 47.

The square root of 5507390981 is about 74211.7981253655. The cubic root of 5507390981 is about 1765.9645027616.

The spelling of 5507390981 in words is "five billion, five hundred seven million, three hundred ninety thousand, nine hundred eighty-one".