5665545280 has 56 divisors (see below), whose sum is σ = 13497979608. Its totient is φ = 2265059328.

The previous prime is 5665545227. The next prime is 5665545313. The reversal of 5665545280 is 825455665.

It can be written as a sum of positive squares in 4 ways, for example, as 690217984 + 4975327296 = 26272^2 + 70536^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5665545280.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911142 + ... + 917338.

Almost surely, 2^5665545280 is an apocalyptic number.

It is an amenable number.

5665545280 is an abundant number, since it is smaller than the sum of its proper divisors (7832434328).

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

5665545280 is a wasteful number, since it uses less digits than its factorization.

5665545280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9071 (or 9061 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 46.

The square root of 5665545280 is about 75269.8165269452. The cubic root of 5665545280 is about 1782.7094703891.

The spelling of 5665545280 in words is "five billion, six hundred sixty-five million, five hundred forty-five thousand, two hundred eighty".