32320055 has 8 divisors (see below), whose sum is σ = 39832512. Its totient is φ = 25157088.

The previous prime is 32320051. The next prime is 32320087. The reversal of 32320055 is 55002323.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32320055 - 2² = 32320051 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 (32320051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87167 + ... + 87536.

It is an arithmetic number, because the mean of its divisors is an integer number (4979064).

Almost surely, 2^32320055 is an apocalyptic number.

32320055 is a deficient number, since it is larger than the sum of its proper divisors (7512457).

32320055 is a wasteful number, since it uses less digits than its factorization.

32320055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174745.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 32320055 is about 5685.0729986518. The cubic root of 32320055 is about 318.5351503586.

Adding to 32320055 its reverse (55002323), we get a palindrome (87322378).

The spelling of 32320055 in words is "thirty-two million, three hundred twenty thousand, fifty-five".