5255722660 has 48 divisors (see below), whose sum is σ = 11174100336. Its totient is φ = 2076311552.

The previous prime is 5255722657. The next prime is 5255722721. The reversal of 5255722660 is 662275525.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 264582756 + 4991139904 = 16266^2 + 70648^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 658212 + ... + 666148.

It is an arithmetic number, because the mean of its divisors is an integer number (232793757).

Almost surely, 2^5255722660 is an apocalyptic number.

It is an amenable number.

5255722660 is an abundant number, since it is smaller than the sum of its proper divisors (5918377676).

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

5255722660 is a wasteful number, since it uses less digits than its factorization.

5255722660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8352 (or 8350 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 40.

The square root of 5255722660 is about 72496.3630811919. The cubic root of 5255722660 is about 1738.6445889620.

The spelling of 5255722660 in words is "five billion, two hundred fifty-five million, seven hundred twenty-two thousand, six hundred sixty".