52505143250 has 64 divisors (see below), whose sum is σ = 115070941440. Its totient is φ = 17562672000.

The previous prime is 52505143237. The next prime is 52505143253. The reversal of 52505143250 is 5234150525.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52505143253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294140 + ... + 437639.

It is an arithmetic number, because the mean of its divisors is an integer number (1797983460).

Almost surely, 2^52505143250 is an apocalyptic number.

52505143250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52505143250 is an abundant number, since it is smaller than the sum of its proper divisors (62565798190).

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

52505143250 is a wasteful number, since it uses less digits than its factorization.

52505143250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731844 (or 731834 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

Adding to 52505143250 its reverse (5234150525), we get a palindrome (57739293775).

The spelling of 52505143250 in words is "fifty-two billion, five hundred five million, one hundred forty-three thousand, two hundred fifty".