554574403021 has 2 divisors, whose sum is σ = 554574403022. Its totient is φ = 554574403020.

The previous prime is 554574403003. The next prime is 554574403049. The reversal of 554574403021 is 120304475455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 470424515625 + 84149887396 = 685875^2 + 290086^2 .

It is a cyclic number.

It is not a de Polignac number, because 554574403021 - 2²⁷ = 554440185293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554574403081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277287201510 + 277287201511.

It is an arithmetic number, because the mean of its divisors is an integer number (277287201511).

Almost surely, 2^554574403021 is an apocalyptic number.

It is an amenable number.

554574403021 is a deficient number, since it is larger than the sum of its proper divisors (1).

554574403021 is an equidigital number, since it uses as much as digits as its factorization.

554574403021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336000, while the sum is 40.

Adding to 554574403021 its reverse (120304475455), we get a palindrome (674878878476).

The spelling of 554574403021 in words is "five hundred fifty-four billion, five hundred seventy-four million, four hundred three thousand, twenty-one".