5515532993 has 2 divisors, whose sum is σ = 5515532994. Its totient is φ = 5515532992.

The previous prime is 5515532977. The next prime is 5515533041. The reversal of 5515532993 is 3992355155.

5515532993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4370928769 + 1144604224 = 66113^2 + 33832^2 .

It is a cyclic number.

It is not a de Polignac number, because 5515532993 - 2⁴ = 5515532977 is a prime.

It is a super-2 number, since 2×5515532993² = 60842208393743076098, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5515532903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2757766496 + 2757766497.

It is an arithmetic number, because the mean of its divisors is an integer number (2757766497).

Almost surely, 2^5515532993 is an apocalyptic number.

It is an amenable number.

5515532993 is a deficient number, since it is larger than the sum of its proper divisors (1).

5515532993 is an equidigital number, since it uses as much as digits as its factorization.

5515532993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 911250, while the sum is 47.

The square root of 5515532993 is about 74266.6344531648. The cubic root of 5515532993 is about 1766.8343292917.

The spelling of 5515532993 in words is "five billion, five hundred fifteen million, five hundred thirty-two thousand, nine hundred ninety-three".