55665006009 has 16 divisors (see below), whose sum is σ = 75125874432. Its totient is φ = 36657209808.

The previous prime is 55665005971. The next prime is 55665006071. The reversal of 55665006009 is 90060056655.

It is not a de Polignac number, because 55665006009 - 2⁹ = 55665005497 is a prime.

It is a super-2 number, since 2×55665006009² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55665006079) 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, 2119134 + ... + 2145240.

It is an arithmetic number, because the mean of its divisors is an integer number (4695367152).

Almost surely, 2^55665006009 is an apocalyptic number.

It is an amenable number.

55665006009 is a deficient number, since it is larger than the sum of its proper divisors (19460868423).

55665006009 is a wasteful number, since it uses less digits than its factorization.

55665006009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34756.

The product of its (nonzero) digits is 243000, while the sum is 42.

The spelling of 55665006009 in words is "fifty-five billion, six hundred sixty-five million, six thousand, nine".