54021804 has 12 divisors (see below), whose sum is σ = 126050904. Its totient is φ = 18007264.

The previous prime is 54021763. The next prime is 54021811. The reversal of 54021804 is 40812045.

54021804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 2250897 + ... + 2250920.

It is an arithmetic number, because the mean of its divisors is an integer number (10504242).

Almost surely, 2^54021804 is an apocalyptic number.

It is an amenable number.

54021804 is an abundant number, since it is smaller than the sum of its proper divisors (72029100).

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

54021804 is a wasteful number, since it uses less digits than its factorization.

54021804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4501824 (or 4501822 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 54021804 is about 7349.9526529087. The cubic root of 54021804 is about 378.0271809351.

Adding to 54021804 its reverse (40812045), we get a palindrome (94833849).

The spelling of 54021804 in words is "fifty-four million, twenty-one thousand, eight hundred four".