54129712 has 120 divisors (see below), whose sum is σ = 135366336. Its totient is φ = 20772864.

The previous prime is 54129709. The next prime is 54129731. The reversal of 54129712 is 21792145.

54129712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 478968 + ... + 479080.

Almost surely, 2^54129712 is an apocalyptic number.

54129712 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54129712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67683168).

54129712 is an abundant number, since it is smaller than the sum of its proper divisors (81236624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54129712 is a wasteful number, since it uses less digits than its factorization.

54129712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 182 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The square root of 54129712 is about 7357.2897183678. The cubic root of 54129712 is about 378.2787153371.

The spelling of 54129712 in words is "fifty-four million, one hundred twenty-nine thousand, seven hundred twelve".