554005909 has 4 divisors (see below), whose sum is σ = 554064160. Its totient is φ = 553947660.

The previous prime is 554005889. The next prime is 554005927. The reversal of 554005909 is 909500455.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 554005909 - 2²³ = 545617301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554005409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11169 + ... + 35110.

It is an arithmetic number, because the mean of its divisors is an integer number (138516040).

Almost surely, 2^554005909 is an apocalyptic number.

It is an amenable number.

554005909 is a deficient number, since it is larger than the sum of its proper divisors (58251).

554005909 is a wasteful number, since it uses less digits than its factorization.

554005909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58250.

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 554005909 is about 23537.3301162218. The cubic root of 554005909 is about 821.3056282462.

The spelling of 554005909 in words is "five hundred fifty-four million, five thousand, nine hundred nine".