5515582109 has 2 divisors, whose sum is σ = 5515582110. Its totient is φ = 5515582108.

The previous prime is 5515582097. The next prime is 5515582141. The reversal of 5515582109 is 9012855155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2902838884 + 2612743225 = 53878^2 + 51115^2 .

It is a cyclic number.

It is not a de Polignac number, because 5515582109 - 2⁸ = 5515581853 is a prime.

It is a super-2 number, since 2×5515582109² = 60843292002241775762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5515582159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2757791054 + 2757791055.

It is an arithmetic number, because the mean of its divisors is an integer number (2757791055).

Almost surely, 2^5515582109 is an apocalyptic number.

It is an amenable number.

5515582109 is a deficient number, since it is larger than the sum of its proper divisors (1).

5515582109 is an equidigital number, since it uses as much as digits as its factorization.

5515582109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90000, while the sum is 41.

The square root of 5515582109 is about 74266.9651258216. The cubic root of 5515582109 is about 1766.8395738484.

The spelling of 5515582109 in words is "five billion, five hundred fifteen million, five hundred eighty-two thousand, one hundred nine".