5516478523 has 2 divisors, whose sum is σ = 5516478524. Its totient is φ = 5516478522.

The previous prime is 5516478491. The next prime is 5516478559. The reversal of 5516478523 is 3258746155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5516478523 - 2⁵ = 5516478491 is a prime.

It is not a weakly prime, because it can be changed into another prime (5516478323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2758239261 + 2758239262.

It is an arithmetic number, because the mean of its divisors is an integer number (2758239262).

Almost surely, 2^5516478523 is an apocalyptic number.

5516478523 is a deficient number, since it is larger than the sum of its proper divisors (1).

5516478523 is an equidigital number, since it uses as much as digits as its factorization.

5516478523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008000, while the sum is 46.

The square root of 5516478523 is about 74272.9999596085. Note that the first 4 decimals coincide. The cubic root of 5516478523 is about 1766.9352865585.

The spelling of 5516478523 in words is "five billion, five hundred sixteen million, four hundred seventy-eight thousand, five hundred twenty-three".