52535522052 has 84 divisors (see below), whose sum is σ = 148446079180. Its totient is φ = 16164764352.

The previous prime is 52535522003. The next prime is 52535522057. The reversal of 52535522052 is 25022553525.

52535522052 is a `hidden beast` number, since 5 + 2 + 53 + 552 + 2 + 0 + 52 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8387629056 + 44147892996 = 91584^2 + 210114^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 52535521998 and 52535522016.

It is not an unprimeable number, because it can be changed into a prime (52535522057) 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 27 ways as a sum of consecutive naturals, for example, 655027 + ... + 730842.

Almost surely, 2^52535522052 is an apocalyptic number.

52535522052 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

52535522052 is an abundant number, since it is smaller than the sum of its proper divisors (95910557128).

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

52535522052 is a wasteful number, since it uses less digits than its factorization.

52535522052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385904 (or 1385887 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 36.

The spelling of 52535522052 in words is "fifty-two billion, five hundred thirty-five million, five hundred twenty-two thousand, fifty-two".