52805500525 has 12 divisors (see below), whose sum is σ = 65486776212. Its totient is φ = 42239267840.

The previous prime is 52805500477. The next prime is 52805500529. The reversal of 52805500525 is 52500550825.

It can be written as a sum of positive squares in 6 ways, for example, as 1241082441 + 51564418084 = 35229^2 + 227078^2 .

It is not a de Polignac number, because 52805500525 - 2²⁹ = 52268629613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52805500529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88767 + ... + 336883.

It is an arithmetic number, because the mean of its divisors is an integer number (5457231351).

Almost surely, 2^52805500525 is an apocalyptic number.

It is an amenable number.

52805500525 is a deficient number, since it is larger than the sum of its proper divisors (12681275687).

52805500525 is a wasteful number, since it uses less digits than its factorization.

52805500525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256640 (or 256635 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 52805500525 in words is "fifty-two billion, eight hundred five million, five hundred thousand, five hundred twenty-five".