55321603122 has 32 divisors (see below), whose sum is σ = 110923470144. Its totient is φ = 18393883200.

The previous prime is 55321603111. The next prime is 55321603151. The reversal of 55321603122 is 22130612355.

It is a self number, because there is not a number n which added to its sum of digits gives 55321603122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4201353 + ... + 4214499.

It is an arithmetic number, because the mean of its divisors is an integer number (3466358442).

Almost surely, 2^55321603122 is an apocalyptic number.

55321603122 is an abundant number, since it is smaller than the sum of its proper divisors (55601867022).

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

55321603122 is a wasteful number, since it uses less digits than its factorization.

55321603122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14874.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 55321603122 in words is "fifty-five billion, three hundred twenty-one million, six hundred three thousand, one hundred twenty-two".