5565541345 has 64 divisors (see below), whose sum is σ = 8809274880. Its totient is φ = 3275255808.

The previous prime is 5565541337. The next prime is 5565541361. The reversal of 5565541345 is 5431455655.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5565541345 - 2³ = 5565541337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 637671 + ... + 646339.

It is an arithmetic number, because the mean of its divisors is an integer number (137644920).

Almost surely, 2^5565541345 is an apocalyptic number.

It is an amenable number.

5565541345 is a deficient number, since it is larger than the sum of its proper divisors (3243733535).

5565541345 is a wasteful number, since it uses less digits than its factorization.

5565541345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8794.

The product of its digits is 900000, while the sum is 43.

The square root of 5565541345 is about 74602.5558878515. Note that the first 3 decimals coincide. The cubic root of 5565541345 is about 1772.1581286265.

The spelling of 5565541345 in words is "five billion, five hundred sixty-five million, five hundred forty-one thousand, three hundred forty-five".