51682944832 has 28 divisors (see below), whose sum is σ = 103516846560. Its totient is φ = 25599959936.

The previous prime is 51682944827. The next prime is 51682944853. The reversal of 51682944832 is 23844928615.

It is a happy number.

It is a super-2 number, since 2×51682944832² (a number of 22 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 51682944832.

It is a congruent number.

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, 3766732 + ... + 3780427.

Almost surely, 2^51682944832 is an apocalyptic number.

It is an amenable number.

51682944832 is an abundant number, since it is smaller than the sum of its proper divisors (51833901728).

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

51682944832 is a wasteful number, since it uses less digits than its factorization.

51682944832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7547278 (or 7547268 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 52.

The spelling of 51682944832 in words is "fifty-one billion, six hundred eighty-two million, nine hundred forty-four thousand, eight hundred thirty-two".