51607249508 has 12 divisors (see below), whose sum is σ = 90316213680. Its totient is φ = 25802617032.

The previous prime is 51607249493. The next prime is 51607249549. The reversal of 51607249508 is 80594270615.

It is a happy number.

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, 130166 + ... + 346637.

It is an arithmetic number, because the mean of its divisors is an integer number (7526351140).

Almost surely, 2^51607249508 is an apocalyptic number.

It is an amenable number.

51607249508 is a deficient number, since it is larger than the sum of its proper divisors (38708964172).

51607249508 is a wasteful number, since it uses less digits than its factorization.

51607249508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503866 (or 503864 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 51607249508 in words is "fifty-one billion, six hundred seven million, two hundred forty-nine thousand, five hundred eight".