51059820672 has 96 divisors (see below), whose sum is σ = 167919972480. Its totient is φ = 14588517888.

The previous prime is 51059820667. The next prime is 51059820683. The reversal of 51059820672 is 27602895015.

51059820672 is a `hidden beast` number, since 51 + 0 + 598 + 2 + 0 + 6 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×51059820672³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3157848 + ... + 3173975.

It is an arithmetic number, because the mean of its divisors is an integer number (1749166380).

Almost surely, 2^51059820672 is an apocalyptic number.

It is an amenable number.

51059820672 is an abundant number, since it is smaller than the sum of its proper divisors (116860151808).

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

51059820672 is a wasteful number, since it uses less digits than its factorization.

51059820672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6331850 (or 6331835 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 51059820672 in words is "fifty-one billion, fifty-nine million, eight hundred twenty thousand, six hundred seventy-two".