5390555509 has 2 divisors, whose sum is σ = 5390555510. Its totient is φ = 5390555508.

The previous prime is 5390555479. The next prime is 5390555557. The reversal of 5390555509 is 9055550935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2798727409 + 2591828100 = 52903^2 + 50910^2 .

It is a cyclic number.

It is not a de Polignac number, because 5390555509 - 2⁵ = 5390555477 is a prime.

It is a super-2 number, since 2×5390555509² = 58116177391220498162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5390555309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2695277754 + 2695277755.

It is an arithmetic number, because the mean of its divisors is an integer number (2695277755).

Almost surely, 2^5390555509 is an apocalyptic number.

It is an amenable number.

5390555509 is a deficient number, since it is larger than the sum of its proper divisors (1).

5390555509 is an equidigital number, since it uses as much as digits as its factorization.

5390555509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 759375, while the sum is 46.

The square root of 5390555509 is about 73420.4025390763. The cubic root of 5390555509 is about 1753.3872364561.

The spelling of 5390555509 in words is "five billion, three hundred ninety million, five hundred fifty-five thousand, five hundred nine".