554540009 has 2 divisors, whose sum is σ = 554540010. Its totient is φ = 554540008.

The previous prime is 554539991. The next prime is 554540071. The reversal of 554540009 is 900045455.

It is a happy number.

554540009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 369715984 + 184824025 = 19228^2 + 13595^2 .

It is a cyclic number.

It is not a de Polignac number, because 554540009 - 2⁸ = 554539753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (554540089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277270004 + 277270005.

It is an arithmetic number, because the mean of its divisors is an integer number (277270005).

Almost surely, 2^554540009 is an apocalyptic number.

It is an amenable number.

554540009 is a deficient number, since it is larger than the sum of its proper divisors (1).

554540009 is an equidigital number, since it uses as much as digits as its factorization.

554540009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 554540009 is about 23548.6731897999. The cubic root of 554540009 is about 821.5694752788.

It can be divided in two parts, 5545 and 40009, that added together give a palindrome (45554).

The spelling of 554540009 in words is "five hundred fifty-four million, five hundred forty thousand, nine".