5565521499 has 8 divisors (see below), whose sum is σ = 7448282640. Its totient is φ = 3696554016.

The previous prime is 5565521491. The next prime is 5565521501. The reversal of 5565521499 is 9941255655.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5565521499 - 2³ = 5565521491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5565521491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3447472 + ... + 3449085.

It is an arithmetic number, because the mean of its divisors is an integer number (931035330).

Almost surely, 2^5565521499 is an apocalyptic number.

5565521499 is a deficient number, since it is larger than the sum of its proper divisors (1882761141).

5565521499 is a wasteful number, since it uses less digits than its factorization.

5565521499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6896829.

The product of its digits is 2430000, while the sum is 51.

The square root of 5565521499 is about 74602.4228762042. The cubic root of 5565521499 is about 1772.1560221951.

The spelling of 5565521499 in words is "five billion, five hundred sixty-five million, five hundred twenty-one thousand, four hundred ninety-nine".