55320104 has 32 divisors (see below), whose sum is σ = 119064000. Its totient is φ = 23604480.

The previous prime is 55320101. The next prime is 55320131. The reversal of 55320104 is 40102355.

It is not an unprimeable number, because it can be changed into a prime (55320101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11447 + ... + 15545.

It is an arithmetic number, because the mean of its divisors is an integer number (3720750).

Almost surely, 2^55320104 is an apocalyptic number.

It is an amenable number.

55320104 is an abundant number, since it is smaller than the sum of its proper divisors (63743896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55320104 is a wasteful number, since it uses less digits than its factorization.

55320104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4353 (or 4349 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 55320104 is about 7437.7485840811. The cubic root of 55320104 is about 381.0316013679.

Adding to 55320104 its reverse (40102355), we get a palindrome (95422459).

The spelling of 55320104 in words is "fifty-five million, three hundred twenty thousand, one hundred four".