55512171116 has 6 divisors (see below), whose sum is σ = 97146299460. Its totient is φ = 27756085556.

The previous prime is 55512171109. The next prime is 55512171133. The reversal of 55512171116 is 61117121555.

It is a super-2 number, since 2×55512171116² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6939021386 + ... + 6939021393.

It is an arithmetic number, because the mean of its divisors is an integer number (16191049910).

Almost surely, 2^55512171116 is an apocalyptic number.

It is an amenable number.

55512171116 is a deficient number, since it is larger than the sum of its proper divisors (41634128344).

55512171116 is a wasteful number, since it uses less digits than its factorization.

55512171116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13878042783 (or 13878042781 counting only the distinct ones).

The product of its digits is 10500, while the sum is 35.

The spelling of 55512171116 in words is "fifty-five billion, five hundred twelve million, one hundred seventy-one thousand, one hundred sixteen".