554005221 has 48 divisors (see below), whose sum is σ = 953441280. Its totient is φ = 282868320.

The previous prime is 554005201. The next prime is 554005229. The reversal of 554005221 is 122500455.

It is a happy number.

It is not a de Polignac number, because 554005221 - 2⁵ = 554005189 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 554005191 and 554005200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554005229) 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 47 ways as a sum of consecutive naturals, for example, 92500 + ... + 98306.

It is an arithmetic number, because the mean of its divisors is an integer number (19863360).

Almost surely, 2^554005221 is an apocalyptic number.

It is an amenable number.

554005221 is a deficient number, since it is larger than the sum of its proper divisors (399436059).

554005221 is a wasteful number, since it uses less digits than its factorization.

554005221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5894 (or 5887 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 554005221 is about 23537.3155011356. The cubic root of 554005221 is about 821.3052882627.

Adding to 554005221 its reverse (122500455), we get a palindrome (676505676).

The spelling of 554005221 in words is "five hundred fifty-four million, five thousand, two hundred twenty-one".