32055305021 has 4 divisors (see below), whose sum is σ = 32058620412. Its totient is φ = 32051989632.

The previous prime is 32055305017. The next prime is 32055305041. The reversal of 32055305021 is 12050355023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11149036921 + 20906268100 = 105589^2 + 144590^2 .

It is a cyclic number.

It is not a de Polignac number, because 32055305021 - 2² = 32055305017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32055305011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1643150 + ... + 1662543.

It is an arithmetic number, because the mean of its divisors is an integer number (8014655103).

Almost surely, 2^32055305021 is an apocalyptic number.

It is an amenable number.

32055305021 is a deficient number, since it is larger than the sum of its proper divisors (3315391).

32055305021 is an equidigital number, since it uses as much as digits as its factorization.

32055305021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3315390.

The product of its (nonzero) digits is 4500, while the sum is 26.

The spelling of 32055305021 in words is "thirty-two billion, fifty-five million, three hundred five thousand, twenty-one".