51734439320 has 16 divisors (see below), whose sum is σ = 116402488560. Its totient is φ = 20693775712.

The previous prime is 51734439301. The next prime is 51734439353. The reversal of 51734439320 is 2393443715.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646680452 + ... + 646680531.

It is an arithmetic number, because the mean of its divisors is an integer number (7275155535).

Almost surely, 2^51734439320 is an apocalyptic number.

It is an amenable number.

51734439320 is an abundant number, since it is smaller than the sum of its proper divisors (64668049240).

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

51734439320 is a wasteful number, since it uses less digits than its factorization.

51734439320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293360994 (or 1293360990 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 51734439320 in words is "fifty-one billion, seven hundred thirty-four million, four hundred thirty-nine thousand, three hundred twenty".