5516121593 has 2 divisors, whose sum is σ = 5516121594. Its totient is φ = 5516121592.

The previous prime is 5516121551. The next prime is 5516121599. The reversal of 5516121593 is 3951216155.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4447289344 + 1068832249 = 66688^2 + 32693^2 .

It is a cyclic number.

It is not a de Polignac number, because 5516121593 - 2²⁴ = 5499344377 is a prime.

It is not a weakly prime, because it can be changed into another prime (5516121599) 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, 2758060796 + 2758060797.

It is an arithmetic number, because the mean of its divisors is an integer number (2758060797).

Almost surely, 2^5516121593 is an apocalyptic number.

It is an amenable number.

5516121593 is a deficient number, since it is larger than the sum of its proper divisors (1).

5516121593 is an equidigital number, since it uses as much as digits as its factorization.

5516121593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40500, while the sum is 38.

The square root of 5516121593 is about 74270.5970960245. The cubic root of 5516121593 is about 1766.8971773546.

The spelling of 5516121593 in words is "five billion, five hundred sixteen million, one hundred twenty-one thousand, five hundred ninety-three".