54554421 has 4 divisors (see below), whose sum is σ = 72739232. Its totient is φ = 36369612.

The previous prime is 54554407. The next prime is 54554471. The reversal of 54554421 is 12445545.

54554421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 54554421 - 2⁷ = 54554293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54554471) 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 3 ways as a sum of consecutive naturals, for example, 9092401 + ... + 9092406.

It is an arithmetic number, because the mean of its divisors is an integer number (18184808).

Almost surely, 2^54554421 is an apocalyptic number.

It is an amenable number.

54554421 is a deficient number, since it is larger than the sum of its proper divisors (18184811).

54554421 is a wasteful number, since it uses less digits than its factorization.

54554421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18184810.

The product of its digits is 16000, while the sum is 30.

The square root of 54554421 is about 7386.0964656576. The cubic root of 54554421 is about 379.2654809453.

Adding to 54554421 its reverse (12445545), we get a palindrome (66999966).

The spelling of 54554421 in words is "fifty-four million, five hundred fifty-four thousand, four hundred twenty-one".