51707488856684 has 12 divisors (see below), whose sum is σ = 90492996084624. Its totient is φ = 25852347118224.

The previous prime is 51707488856663. The next prime is 51707488856761. The reversal of 51707488856684 is 48665888470715.

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, 349244267 + ... + 349392290.

It is an arithmetic number, because the mean of its divisors is an integer number (7541083007052).

Almost surely, 2^{51707488856684} is an apocalyptic number.

It is an amenable number.

51707488856684 is a deficient number, since it is larger than the sum of its proper divisors (38785507227940).

51707488856684 is a wasteful number, since it uses less digits than its factorization.

51707488856684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698655064 (or 698655062 counting only the distinct ones).

The product of its (nonzero) digits is 2890137600, while the sum is 77.

The spelling of 51707488856684 in words is "fifty-one trillion, seven hundred seven billion, four hundred eighty-eight million, eight hundred fifty-six thousand, six hundred eighty-four".