51966944532 has 72 divisors (see below), whose sum is σ = 134610840000. Its totient is φ = 16894039680.

The previous prime is 51966944507. The next prime is 51966944567. The reversal of 51966944532 is 23544966915.

51966944532 is a `hidden beast` number, since 5 + 1 + 9 + 6 + 69 + 44 + 532 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7375003 + ... + 7382045.

It is an arithmetic number, because the mean of its divisors is an integer number (1869595000).

Almost surely, 2^51966944532 is an apocalyptic number.

It is an amenable number.

51966944532 is an abundant number, since it is smaller than the sum of its proper divisors (82643895468).

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

51966944532 is a wasteful number, since it uses less digits than its factorization.

51966944532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12093 (or 12088 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 54.

The spelling of 51966944532 in words is "fifty-one billion, nine hundred sixty-six million, nine hundred forty-four thousand, five hundred thirty-two".