326600055 has 24 divisors (see below), whose sum is σ = 579917520. Its totient is φ = 169937280.

The previous prime is 326600051. The next prime is 326600081. The reversal of 326600055 is 550006623.

326600055 is a `hidden beast` number, since 3 + 2 + 6 + 600 + 0 + 55 = 666.

It is not a de Polignac number, because 326600055 - 2² = 326600051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326600051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86665 + ... + 90354.

It is an arithmetic number, because the mean of its divisors is an integer number (24163230).

Almost surely, 2^326600055 is an apocalyptic number.

326600055 is a deficient number, since it is larger than the sum of its proper divisors (253317465).

326600055 is a wasteful number, since it uses less digits than its factorization.

326600055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177071 (or 177068 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 326600055 is about 18072.0794320964. The cubic root of 326600055 is about 688.6608873699.

Adding to 326600055 its reverse (550006623), we get a palindrome (876606678).

The spelling of 326600055 in words is "three hundred twenty-six million, six hundred thousand, fifty-five".