55112300321155 has 96 divisors (see below), whose sum is σ = 86214195099648. Its totient is φ = 32854499040000.

The previous prime is 55112300321149. The next prime is 55112300321191.

It is a happy number.

55112300321155 is nontrivially palindromic in base 10.

55112300321155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55112300321155 - 2⁷ = 55112300321027 is a prime.

It is a super-2 number, since 2×55112300321155² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55112300321155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 967583937 + ... + 967640893.

It is an arithmetic number, because the mean of its divisors is an integer number (898064532288).

Almost surely, 2^{55112300321155} is an apocalyptic number.

55112300321155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55112300321155 is a deficient number, since it is larger than the sum of its proper divisors (31101894778493).

55112300321155 is a wasteful number, since it uses less digits than its factorization.

55112300321155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61777 (or 61754 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

It can be divided in two parts, 55112300 and 321155, that added together give a palindrome (55433455).

The spelling of 55112300321155 in words is "fifty-five trillion, one hundred twelve billion, three hundred million, three hundred twenty-one thousand, one hundred fifty-five".