54781828 has 24 divisors (see below), whose sum is σ = 99464288. Its totient is φ = 26381376.

The previous prime is 54781777. The next prime is 54781829. The reversal of 54781828 is 82818745.

54781828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (54781829) 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 7 ways as a sum of consecutive naturals, for example, 10375 + ... + 14737.

Almost surely, 2^54781828 is an apocalyptic number.

It is an amenable number.

54781828 is a deficient number, since it is larger than the sum of its proper divisors (44682460).

54781828 is a wasteful number, since it uses less digits than its factorization.

54781828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4483 (or 4481 counting only the distinct ones).

The product of its digits is 143360, while the sum is 43.

The square root of 54781828 is about 7401.4747179194. The cubic root of 54781828 is about 379.7917325974.

The spelling of 54781828 in words is "fifty-four million, seven hundred eighty-one thousand, eight hundred twenty-eight".