55129395196 has 12 divisors (see below), whose sum is σ = 97431654600. Its totient is φ = 27291779600.

The previous prime is 55129395187. The next prime is 55129395229. The reversal of 55129395196 is 69159392155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68229046 + ... + 68229853.

It is an arithmetic number, because the mean of its divisors is an integer number (8119304550).

Almost surely, 2^55129395196 is an apocalyptic number.

It is an amenable number.

55129395196 is a deficient number, since it is larger than the sum of its proper divisors (42302259404).

55129395196 is a wasteful number, since it uses less digits than its factorization.

55129395196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136459004 (or 136459002 counting only the distinct ones).

The product of its digits is 3280500, while the sum is 55.

The spelling of 55129395196 in words is "fifty-five billion, one hundred twenty-nine million, three hundred ninety-five thousand, one hundred ninety-six".