554459609 has 16 divisors (see below), whose sum is σ = 613691520. Its totient is φ = 496748160.

The previous prime is 554459603. The next prime is 554459621. The reversal of 554459609 is 906954455.

It is a cyclic number.

It is not a de Polignac number, because 554459609 - 2⁴ = 554459593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (554459603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258389 + ... + 260525.

It is an arithmetic number, because the mean of its divisors is an integer number (38355720).

Almost surely, 2^554459609 is an apocalyptic number.

It is an amenable number.

554459609 is a deficient number, since it is larger than the sum of its proper divisors (59231911).

554459609 is a wasteful number, since it uses less digits than its factorization.

554459609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480.

The product of its (nonzero) digits is 972000, while the sum is 47.

The square root of 554459609 is about 23546.9660253715. The cubic root of 554459609 is about 821.5297682680.

The spelling of 554459609 in words is "five hundred fifty-four million, four hundred fifty-nine thousand, six hundred nine".