54104421 has 16 divisors (see below), whose sum is σ = 87295104. Its totient is φ = 29097984.

The previous prime is 54104417. The next prime is 54104447. The reversal of 54104421 is 12440145.

It is a happy number.

54104421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54104421 - 2² = 54104417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54104521) 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 15 ways as a sum of consecutive naturals, for example, 75420 + ... + 76133.

It is an arithmetic number, because the mean of its divisors is an integer number (5455944).

Almost surely, 2^54104421 is an apocalyptic number.

54104421 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

54104421 is a deficient number, since it is larger than the sum of its proper divisors (33190683).

54104421 is a wasteful number, since it uses less digits than its factorization.

54104421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151580.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 54104421 is about 7355.5707460400. The cubic root of 54104421 is about 378.2197918302.

Adding to 54104421 its reverse (12440145), we get a palindrome (66544566).

The spelling of 54104421 in words is "fifty-four million, one hundred four thousand, four hundred twenty-one".