554287109 has 2 divisors, whose sum is σ = 554287110. Its totient is φ = 554287108.

The previous prime is 554287093. The next prime is 554287141. The reversal of 554287109 is 901782455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 546530884 + 7756225 = 23378^2 + 2785^2 .

It is a cyclic number.

It is not a de Polignac number, because 554287109 - 2⁴ = 554287093 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554287609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277143554 + 277143555.

It is an arithmetic number, because the mean of its divisors is an integer number (277143555).

Almost surely, 2^554287109 is an apocalyptic number.

It is an amenable number.

554287109 is a deficient number, since it is larger than the sum of its proper divisors (1).

554287109 is an equidigital number, since it uses as much as digits as its factorization.

554287109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 554287109 is about 23543.3028481562. The cubic root of 554287109 is about 821.4445630330. Note that the first 3 decimals are identical.

The spelling of 554287109 in words is "five hundred fifty-four million, two hundred eighty-seven thousand, one hundred nine".