54550421 has 8 divisors (see below), whose sum is σ = 58252800. Its totient is φ = 50969520.

The previous prime is 54550417. The next prime is 54550423. The reversal of 54550421 is 12405545.

54550421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 54550421 - 2² = 54550417 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 (54550423) 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 7 ways as a sum of consecutive naturals, for example, 29441 + ... + 31238.

It is an arithmetic number, because the mean of its divisors is an integer number (7281600).

Almost surely, 2^54550421 is an apocalyptic number.

It is an amenable number.

54550421 is a deficient number, since it is larger than the sum of its proper divisors (3702379).

54550421 is a wasteful number, since it uses less digits than its factorization.

54550421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60739.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 54550421 is about 7385.8256816689. The cubic root of 54550421 is about 379.2562113085.

Adding to 54550421 its reverse (12405545), we get a palindrome (66955966).

The spelling of 54550421 in words is "fifty-four million, five hundred fifty thousand, four hundred twenty-one".