54204421 has 8 divisors (see below), whose sum is σ = 55373760. Its totient is φ = 53043552.

The previous prime is 54204383. The next prime is 54204431. The reversal of 54204421 is 12440245.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54204421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54204392 and 54204401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54204431) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11776 + ... + 15718.

It is an arithmetic number, because the mean of its divisors is an integer number (6921720).

Almost surely, 2^54204421 is an apocalyptic number.

It is an amenable number.

54204421 is a deficient number, since it is larger than the sum of its proper divisors (1169339).

54204421 is a wasteful number, since it uses less digits than its factorization.

54204421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4235.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 54204421 is about 7362.3651770338. The cubic root of 54204421 is about 378.4526668309.

Adding to 54204421 its reverse (12440245), we get a palindrome (66644666).

The spelling of 54204421 in words is "fifty-four million, two hundred four thousand, four hundred twenty-one".