51884849721132 has 144 divisors (see below), whose sum is σ = 138982115563200. Its totient is φ = 16264261840896.

The previous prime is 51884849721109. The next prime is 51884849721179. The reversal of 51884849721132 is 23112794848815.

51884849721132 is a `hidden beast` number, since 5 + 1 + 8 + 8 + 4 + 8 + 497 + 2 + 1 + 132 = 666.

It is a super-2 number, since 2×51884849721132² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51884849721132.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6033819369 + ... + 6033827967.

It is an arithmetic number, because the mean of its divisors is an integer number (965153580300).

Almost surely, 2^{51884849721132} is an apocalyptic number.

It is an amenable number.

51884849721132 is an abundant number, since it is smaller than the sum of its proper divisors (87097265842068).

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

51884849721132 is a wasteful number, since it uses less digits than its factorization.

51884849721132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15560 (or 15555 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 63.

The spelling of 51884849721132 in words is "fifty-one trillion, eight hundred eighty-four billion, eight hundred forty-nine million, seven hundred twenty-one thousand, one hundred thirty-two".