51908174612 has 48 divisors (see below), whose sum is σ = 110623500288. Its totient is φ = 20804359680.

The previous prime is 51908174597. The next prime is 51908174627. The reversal of 51908174612 is 21647180915.

It is an interprime number because it is at equal distance from previous prime (51908174597) and next prime (51908174627).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272564 + ... + 422027.

It is an arithmetic number, because the mean of its divisors is an integer number (2304656256).

Almost surely, 2^51908174612 is an apocalyptic number.

It is an amenable number.

51908174612 is an abundant number, since it is smaller than the sum of its proper divisors (58715325676).

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

51908174612 is a wasteful number, since it uses less digits than its factorization.

51908174612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694776 (or 694774 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 51908174612 in words is "fifty-one billion, nine hundred eight million, one hundred seventy-four thousand, six hundred twelve".