32821782050 has 18 divisors (see below), whose sum is σ = 61050897459. Its totient is φ = 13128200400.

The previous prime is 32821782043. The next prime is 32821782073. The reversal of 32821782050 is 5028712823.

It can be written as a sum of positive squares in 5 ways, for example, as 2764971889 + 30056810161 = 52583^2 + 173369^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=128105.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 32821781995 and 32821782013.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1268240 + ... + 1293860.

Almost surely, 2^32821782050 is an apocalyptic number.

32821782050 is a deficient number, since it is larger than the sum of its proper divisors (28229115409).

32821782050 is an frugal number, since it uses more digits than its factorization.

32821782050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51254 (or 25628 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 32821782050 in words is "thirty-two billion, eight hundred twenty-one million, seven hundred eighty-two thousand, fifty".