55129168 has 20 divisors (see below), whose sum is σ = 107298688. Its totient is φ = 27439200.

The previous prime is 55129111. The next prime is 55129199. The reversal of 55129168 is 86192155.

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, 4158 + ... + 11293.

Almost surely, 2^55129168 is an apocalyptic number.

It is an amenable number.

55129168 is a deficient number, since it is larger than the sum of its proper divisors (52169520).

55129168 is a wasteful number, since it uses less digits than its factorization.

55129168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15682 (or 15676 counting only the distinct ones).

The product of its digits is 21600, while the sum is 37.

The square root of 55129168 is about 7424.9018848736. The cubic root of 55129168 is about 380.5927222699.

The spelling of 55129168 in words is "fifty-five million, one hundred twenty-nine thousand, one hundred sixty-eight".