5645605775 has 12 divisors (see below), whose sum is σ = 7001957352. Its totient is φ = 4515577440.

The previous prime is 5645605759. The next prime is 5645605781. The reversal of 5645605775 is 5775065465.

It is not a de Polignac number, because 5645605775 - 2⁴ = 5645605759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122492 + ... + 162158.

It is an arithmetic number, because the mean of its divisors is an integer number (583496446).

Almost surely, 2^5645605775 is an apocalyptic number.

5645605775 is a deficient number, since it is larger than the sum of its proper divisors (1356351577).

5645605775 is a wasteful number, since it uses less digits than its factorization.

5645605775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45370 (or 45365 counting only the distinct ones).

The product of its (nonzero) digits is 4410000, while the sum is 50.

The square root of 5645605775 is about 75137.2462564340. The cubic root of 5645605775 is about 1780.6156367946.

The spelling of 5645605775 in words is "five billion, six hundred forty-five million, six hundred five thousand, seven hundred seventy-five".