554227909 has 2 divisors, whose sum is σ = 554227910. Its totient is φ = 554227908.

The previous prime is 554227907. The next prime is 554227937. The reversal of 554227909 is 909722455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 553660900 + 567009 = 23530^2 + 753^2 .

It is a cyclic number.

It is not a de Polignac number, because 554227909 - 2¹ = 554227907 is a prime.

It is a super-2 number, since 2×554227909² = 614337150229024562, which contains 22 as substring.

Together with 554227907, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554227907) 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 as a sum of consecutive naturals, namely, 277113954 + 277113955.

It is an arithmetic number, because the mean of its divisors is an integer number (277113955).

Almost surely, 2^554227909 is an apocalyptic number.

It is an amenable number.

554227909 is a deficient number, since it is larger than the sum of its proper divisors (1).

554227909 is an equidigital number, since it uses as much as digits as its factorization.

554227909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 554227909 is about 23542.0455568330. The cubic root of 554227909 is about 821.4153175098.

The spelling of 554227909 in words is "five hundred fifty-four million, two hundred twenty-seven thousand, nine hundred nine".