5555006009 has 4 divisors (see below), whose sum is σ = 6348578304. Its totient is φ = 4761433716.

The previous prime is 5555005943. The next prime is 5555006011. The reversal of 5555006009 is 9006005555.

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 an emirpimes, since its reverse is a distinct semiprime: 9006005555 = 5 ⋅1801201111.

It is a cyclic number.

It is not a de Polignac number, because 5555006009 - 2²⁴ = 5538228793 is a prime.

It is a super-2 number, since 2×5555006009² = 61716183520052216162, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5555006009.

It is not an unprimeable number, because it can be changed into a prime (5555006059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396786137 + ... + 396786150.

It is an arithmetic number, because the mean of its divisors is an integer number (1587144576).

Almost surely, 2^5555006009 is an apocalyptic number.

It is an amenable number.

5555006009 is a deficient number, since it is larger than the sum of its proper divisors (793572295).

5555006009 is an equidigital number, since it uses as much as digits as its factorization.

5555006009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793572294.

The product of its (nonzero) digits is 33750, while the sum is 35.

The square root of 5555006009 is about 74531.9126884585. The cubic root of 5555006009 is about 1771.0392153431.

The spelling of 5555006009 in words is "five billion, five hundred fifty-five million, six thousand, nine".