5645566515 has 8 divisors (see below), whose sum is σ = 9032906448. Its totient is φ = 3010968800.

The previous prime is 5645566489. The next prime is 5645566543. The reversal of 5645566515 is 5156655465.

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

It is not a de Polignac number, because 5645566515 - 2⁸ = 5645566259 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188185536 + ... + 188185565.

It is an arithmetic number, because the mean of its divisors is an integer number (1129113306).

Almost surely, 2^5645566515 is an apocalyptic number.

5645566515 is a deficient number, since it is larger than the sum of its proper divisors (3387339933).

5645566515 is a wasteful number, since it uses less digits than its factorization.

5645566515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376371109.

The product of its digits is 2700000, while the sum is 48.

The square root of 5645566515 is about 75136.9850007305. The cubic root of 5645566515 is about 1780.6115092699.

The spelling of 5645566515 in words is "five billion, six hundred forty-five million, five hundred sixty-six thousand, five hundred fifteen".