5516881947 has 16 divisors (see below), whose sum is σ = 8180184960. Its totient is φ = 3674759400.

The previous prime is 5516881919. The next prime is 5516881987. The reversal of 5516881947 is 7491886155.

It is a happy number.

5516881947 is a `hidden beast` number, since 5 + 516 + 8 + 81 + 9 + 47 = 666.

It is not a de Polignac number, because 5516881947 - 2¹⁰ = 5516880923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5516881893 and 5516881902.

It is not an unprimeable number, because it can be changed into a prime (5516881987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55629 + ... + 118862.

It is an arithmetic number, because the mean of its divisors is an integer number (511261560).

Almost surely, 2^5516881947 is an apocalyptic number.

5516881947 is a deficient number, since it is larger than the sum of its proper divisors (2663303013).

5516881947 is a wasteful number, since it uses less digits than its factorization.

5516881947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175671 (or 175665 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 54.

The square root of 5516881947 is about 74275.7157286283. The cubic root of 5516881947 is about 1766.9783579202.

The spelling of 5516881947 in words is "five billion, five hundred sixteen million, eight hundred eighty-one thousand, nine hundred forty-seven".