51500344552 has 16 divisors (see below), whose sum is σ = 96566924160. Its totient is φ = 25749164784.

The previous prime is 51500344541. The next prime is 51500344589. The reversal of 51500344552 is 25544300515.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119433 + ... + 342439.

It is an arithmetic number, because the mean of its divisors is an integer number (6035432760).

Almost surely, 2^51500344552 is an apocalyptic number.

It is an amenable number.

51500344552 is a deficient number, since it is larger than the sum of its proper divisors (45066579608).

51500344552 is a wasteful number, since it uses less digits than its factorization.

51500344552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251880 (or 251876 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 51500344552 in words is "fifty-one billion, five hundred million, three hundred forty-four thousand, five hundred fifty-two".