54617028 has 12 divisors (see below), whose sum is σ = 127439760. Its totient is φ = 18205672.

The previous prime is 54617011. The next prime is 54617033. The reversal of 54617028 is 82071645.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 54617028.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2275698 + ... + 2275721.

It is an arithmetic number, because the mean of its divisors is an integer number (10619980).

Almost surely, 2^54617028 is an apocalyptic number.

It is an amenable number.

54617028 is an abundant number, since it is smaller than the sum of its proper divisors (72822732).

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

54617028 is a wasteful number, since it uses less digits than its factorization.

54617028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4551426 (or 4551424 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 54617028 is about 7390.3334160239. Note that the first 3 decimals coincide. The cubic root of 54617028 is about 379.4105079729.

The spelling of 54617028 in words is "fifty-four million, six hundred seventeen thousand, twenty-eight".