51252535052 has 6 divisors (see below), whose sum is σ = 89691936348. Its totient is φ = 25626267524.

The previous prime is 51252535031. The next prime is 51252535063. The reversal of 51252535052 is 25053525215.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6406566878 + ... + 6406566885.

It is an arithmetic number, because the mean of its divisors is an integer number (14948656058).

Almost surely, 2^51252535052 is an apocalyptic number.

It is an amenable number.

51252535052 is a deficient number, since it is larger than the sum of its proper divisors (38439401296).

51252535052 is a wasteful number, since it uses less digits than its factorization.

51252535052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12813133767 (or 12813133765 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 35.

The spelling of 51252535052 in words is "fifty-one billion, two hundred fifty-two million, five hundred thirty-five thousand, fifty-two".