55112403545223 has 32 divisors (see below), whose sum is σ = 74109891727872. Its totient is φ = 36429957043200.

The previous prime is 55112403545167. The next prime is 55112403545239. The reversal of 55112403545223 is 32254530421155.

It is not a de Polignac number, because 55112403545223 - 2¹⁰ = 55112403544199 is a prime.

It is a super-2 number, since 2×55112403545223² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55112403545273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153289438 + ... + 153648548.

It is an arithmetic number, because the mean of its divisors is an integer number (2315934116496).

Almost surely, 2^{55112403545223} is an apocalyptic number.

55112403545223 is a deficient number, since it is larger than the sum of its proper divisors (18997488182649).

55112403545223 is a wasteful number, since it uses less digits than its factorization.

55112403545223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360295.

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 55112403545223 its reverse (32254530421155), we get a palindrome (87366933966378).

The spelling of 55112403545223 in words is "fifty-five trillion, one hundred twelve billion, four hundred three million, five hundred forty-five thousand, two hundred twenty-three".