52251257060 has 24 divisors (see below), whose sum is σ = 109798817856. Its totient is φ = 20886945120.

The previous prime is 52251257057. The next prime is 52251257131. The reversal of 52251257060 is 6075215225.

It is a self number, because there is not a number n which added to its sum of digits gives 52251257060.

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 7 ways as a sum of consecutive naturals, for example, 815726 + ... + 877445.

It is an arithmetic number, because the mean of its divisors is an integer number (4574950744).

Almost surely, 2^52251257060 is an apocalyptic number.

It is an amenable number.

52251257060 is an abundant number, since it is smaller than the sum of its proper divisors (57547560796).

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

52251257060 is a wasteful number, since it uses less digits than its factorization.

52251257060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694723 (or 1694721 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 52251257060 in words is "fifty-two billion, two hundred fifty-one million, two hundred fifty-seven thousand, sixty".