54128678 has 8 divisors (see below), whose sum is σ = 82920672. Its totient is φ = 26488456.

The previous prime is 54128677. The next prime is 54128681. The reversal of 54128678 is 87682145.

54128678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54128671) by changing a digit.

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, 287825 + ... + 288012.

It is an arithmetic number, because the mean of its divisors is an integer number (10365084).

Almost surely, 2^54128678 is an apocalyptic number.

54128678 is a deficient number, since it is larger than the sum of its proper divisors (28791994).

54128678 is a wasteful number, since it uses less digits than its factorization.

54128678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575886.

The product of its digits is 107520, while the sum is 41.

The square root of 54128678 is about 7357.2194475902. The cubic root of 54128678 is about 378.2763066619.

The spelling of 54128678 in words is "fifty-four million, one hundred twenty-eight thousand, six hundred seventy-eight".