51782110032 has 40 divisors (see below), whose sum is σ = 136294428384. Its totient is φ = 16935028864.

The previous prime is 51782110021. The next prime is 51782110063. The reversal of 51782110032 is 23001128715.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10174758 + ... + 10179845.

Almost surely, 2^51782110032 is an apocalyptic number.

It is an amenable number.

51782110032 is an abundant number, since it is smaller than the sum of its proper divisors (84512318352).

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

51782110032 is a wasteful number, since it uses less digits than its factorization.

51782110032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20354667 (or 20354661 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

Adding to 51782110032 its reverse (23001128715), we get a palindrome (74783238747).

The spelling of 51782110032 in words is "fifty-one billion, seven hundred eighty-two million, one hundred ten thousand, thirty-two".