52609565380 has 24 divisors (see below), whose sum is σ = 110499196248. Its totient is φ = 21040186368.

The previous prime is 52609565357. The next prime is 52609565387. The reversal of 52609565380 is 8356590625.

It can be written as a sum of positive squares in 4 ways, for example, as 10686183876 + 41923381504 = 103374^2 + 204752^2 .

It is not an unprimeable number, because it can be changed into a prime (52609565387) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 107419 + ... + 341698.

It is an arithmetic number, because the mean of its divisors is an integer number (4604133177).

Almost surely, 2^52609565380 is an apocalyptic number.

It is an amenable number.

52609565380 is an abundant number, since it is smaller than the sum of its proper divisors (57889630868).

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

52609565380 is a wasteful number, since it uses less digits than its factorization.

52609565380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454983 (or 454981 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 49.

The spelling of 52609565380 in words is "fifty-two billion, six hundred nine million, five hundred sixty-five thousand, three hundred eighty".