32720055 has 8 divisors (see below), whose sum is σ = 52352112. Its totient is φ = 17450688.

The previous prime is 32720041. The next prime is 32720063. The reversal of 32720055 is 55002723.

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

It is not a de Polignac number, because 32720055 - 2⁶ = 32719991 is a prime.

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, 1090654 + ... + 1090683.

It is an arithmetic number, because the mean of its divisors is an integer number (6544014).

Almost surely, 2^32720055 is an apocalyptic number.

32720055 is a deficient number, since it is larger than the sum of its proper divisors (19632057).

32720055 is a wasteful number, since it uses less digits than its factorization.

32720055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181345.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 32720055 is about 5720.1446660028. The cubic root of 32720055 is about 319.8438528553.

Adding to 32720055 its reverse (55002723), we get a palindrome (87722778).

The spelling of 32720055 in words is "thirty-two million, seven hundred twenty thousand, fifty-five".