55129016 has 16 divisors (see below), whose sum is σ = 104784000. Its totient is φ = 27186624.

The previous prime is 55128973. The next prime is 55129033. The reversal of 55129016 is 61092155.

55129016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55129016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46616 + ... + 47783.

It is an arithmetic number, because the mean of its divisors is an integer number (6549000).

Almost surely, 2^55129016 is an apocalyptic number.

It is an amenable number.

55129016 is a deficient number, since it is larger than the sum of its proper divisors (49654984).

55129016 is a wasteful number, since it uses less digits than its factorization.

55129016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94478 (or 94474 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 55129016 is about 7424.8916490411. The cubic root of 55129016 is about 380.5923724844.

The spelling of 55129016 in words is "fifty-five million, one hundred twenty-nine thousand, sixteen".