32055007681 has 4 divisors (see below), whose sum is σ = 32104860592. Its totient is φ = 32005154772.

The previous prime is 32055007637. The next prime is 32055007687. The reversal of 32055007681 is 18670055023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32055007681 - 2¹³ = 32054999489 is a prime.

It is a super-2 number, since 2×32055007681² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32055007681.

It is not an unprimeable number, because it can be changed into a prime (32055007687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24925491 + ... + 24926776.

It is an arithmetic number, because the mean of its divisors is an integer number (8026215148).

Almost surely, 2^32055007681 is an apocalyptic number.

It is an amenable number.

32055007681 is a deficient number, since it is larger than the sum of its proper divisors (49852911).

32055007681 is an equidigital number, since it uses as much as digits as its factorization.

32055007681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49852910.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 32055007681 in words is "thirty-two billion, fifty-five million, seven thousand, six hundred eighty-one".