5571328864 has 24 divisors (see below), whose sum is σ = 11201930208. Its totient is φ = 2726394240.

The previous prime is 5571328853. The next prime is 5571328871. The reversal of 5571328864 is 4688231755.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1850667 + ... + 1853674.

It is an arithmetic number, because the mean of its divisors is an integer number (466747092).

Almost surely, 2^5571328864 is an apocalyptic number.

It is an amenable number.

5571328864 is an abundant number, since it is smaller than the sum of its proper divisors (5630601344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5571328864 is a wasteful number, since it uses less digits than its factorization.

5571328864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704398 (or 3704390 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 49.

The square root of 5571328864 is about 74641.3348219336. The cubic root of 5571328864 is about 1772.7721956208.

The spelling of 5571328864 in words is "five billion, five hundred seventy-one million, three hundred twenty-eight thousand, eight hundred sixty-four".