554514430221 has 24 divisors (see below), whose sum is σ = 828690222360. Its totient is φ = 356883408000.

The previous prime is 554514430201. The next prime is 554514430231. The reversal of 554514430221 is 122034415455.

554514430221 is a `hidden beast` number, since 554 + 51 + 4 + 4 + 30 + 2 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 346933958121 + 207580472100 = 589011^2 + 455610^2 .

It is not a de Polignac number, because 554514430221 - 2¹⁰ = 554514429197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554514430201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1983231 + ... + 2245491.

It is an arithmetic number, because the mean of its divisors is an integer number (34528759265).

Almost surely, 2^554514430221 is an apocalyptic number.

It is an amenable number.

554514430221 is a deficient number, since it is larger than the sum of its proper divisors (274175792139).

554514430221 is a wasteful number, since it uses less digits than its factorization.

554514430221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270397 (or 270394 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 554514430221 its reverse (122034415455), we get a palindrome (676548845676).

The spelling of 554514430221 in words is "five hundred fifty-four billion, five hundred fourteen million, four hundred thirty thousand, two hundred twenty-one".