55104322646 has 4 divisors (see below), whose sum is σ = 82656483972. Its totient is φ = 27552161322.

The previous prime is 55104322619. The next prime is 55104322657. The reversal of 55104322646 is 64622340155.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13776080660 + ... + 13776080663.

It is an arithmetic number, because the mean of its divisors is an integer number (20664120993).

Almost surely, 2^55104322646 is an apocalyptic number.

55104322646 is a deficient number, since it is larger than the sum of its proper divisors (27552161326).

55104322646 is a wasteful number, since it uses less digits than its factorization.

55104322646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27552161325.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 55104322646 in words is "fifty-five billion, one hundred four million, three hundred twenty-two thousand, six hundred forty-six".