55216346155112 has 32 divisors (see below), whose sum is σ = 108982341069600. Its totient is φ = 26154460816704.

The previous prime is 55216346155111. The next prime is 55216346155171. The reversal of 55216346155112 is 21155164361255.

It is not an unprimeable number, because it can be changed into a prime (55216346155111) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1641518 + ... + 10636130.

It is an arithmetic number, because the mean of its divisors is an integer number (3405698158425).

Almost surely, 2^{55216346155112} is an apocalyptic number.

It is an amenable number.

55216346155112 is a deficient number, since it is larger than the sum of its proper divisors (53765994914488).

55216346155112 is a wasteful number, since it uses less digits than its factorization.

55216346155112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9035025 (or 9035021 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 47.

The spelling of 55216346155112 in words is "fifty-five trillion, two hundred sixteen billion, three hundred forty-six million, one hundred fifty-five thousand, one hundred twelve".