5645538788 has 24 divisors (see below), whose sum is σ = 10168688544. Its totient is φ = 2740852800.

The previous prime is 5645538781. The next prime is 5645538827. The reversal of 5645538788 is 8878355465.

It is not an unprimeable number, because it can be changed into a prime (5645538781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46970 + ... + 116177.

It is an arithmetic number, because the mean of its divisors is an integer number (423695356).

Almost surely, 2^5645538788 is an apocalyptic number.

It is an amenable number.

5645538788 is a deficient number, since it is larger than the sum of its proper divisors (4523149756).

5645538788 is a wasteful number, since it uses less digits than its factorization.

5645538788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163403 (or 163401 counting only the distinct ones).

The product of its digits is 32256000, while the sum is 59.

The square root of 5645538788 is about 75136.8004908380. The cubic root of 5645538788 is about 1780.6085942335.

The spelling of 5645538788 in words is "five billion, six hundred forty-five million, five hundred thirty-eight thousand, seven hundred eighty-eight".