52250004012 has 48 divisors (see below), whose sum is σ = 122279270400. Its totient is φ = 17364936960.

The previous prime is 52250003809. The next prime is 52250004017. The reversal of 52250004012 is 21040005225.

It is a happy number.

It is a super-2 number, since 2×52250004012² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52250004012.

It is not an unprimeable number, because it can be changed into a prime (52250004017) 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 15 ways as a sum of consecutive naturals, for example, 7819689 + ... + 7826367.

It is an arithmetic number, because the mean of its divisors is an integer number (2547484800).

Almost surely, 2^52250004012 is an apocalyptic number.

It is an amenable number.

52250004012 is an abundant number, since it is smaller than the sum of its proper divisors (70029266388).

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

52250004012 is a wasteful number, since it uses less digits than its factorization.

52250004012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8526 (or 8524 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

Adding to 52250004012 its reverse (21040005225), we get a palindrome (73290009237).

The spelling of 52250004012 in words is "fifty-two billion, two hundred fifty million, four thousand, twelve".