54021404 has 12 divisors (see below), whose sum is σ = 94605000. Its totient is φ = 26991408.

The previous prime is 54021397. The next prime is 54021419. The reversal of 54021404 is 40412045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2822 + ... + 10770.

It is an arithmetic number, because the mean of its divisors is an integer number (7883750).

Almost surely, 2^54021404 is an apocalyptic number.

It is an amenable number.

54021404 is a deficient number, since it is larger than the sum of its proper divisors (40583596).

54021404 is a wasteful number, since it uses less digits than its factorization.

54021404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9652 (or 9650 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 54021404 is about 7349.9254417987. The cubic root of 54021404 is about 378.0262479090.

Adding to 54021404 its reverse (40412045), we get a palindrome (94433449).

The spelling of 54021404 in words is "fifty-four million, twenty-one thousand, four hundred four".