550054421 has 16 divisors (see below), whose sum is σ = 652935168. Its totient is φ = 453438000.

The previous prime is 550054411. The next prime is 550054429. The reversal of 550054421 is 124450055.

It is a cyclic number.

It is not a de Polignac number, because 550054421 - 2¹⁰ = 550053397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550054429) 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 15 ways as a sum of consecutive naturals, for example, 27596 + ... + 43146.

It is an arithmetic number, because the mean of its divisors is an integer number (40808448).

Almost surely, 2^550054421 is an apocalyptic number.

It is an amenable number.

550054421 is a deficient number, since it is larger than the sum of its proper divisors (102880747).

550054421 is a wasteful number, since it uses less digits than its factorization.

550054421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15752.

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

The square root of 550054421 is about 23453.2390300359. The cubic root of 550054421 is about 819.3482929111.

The spelling of 550054421 in words is "five hundred fifty million, fifty-four thousand, four hundred twenty-one".