55259009409 has 8 divisors (see below), whose sum is σ = 73709948160. Its totient is φ = 36823705136.

The previous prime is 55259009389. The next prime is 55259009431. The reversal of 55259009409 is 90490095255.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55259009409 - 2⁹ = 55259008897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55259009459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3900369 + ... + 3914510.

It is an arithmetic number, because the mean of its divisors is an integer number (9213743520).

Almost surely, 2^55259009409 is an apocalyptic number.

It is an amenable number.

55259009409 is a deficient number, since it is larger than the sum of its proper divisors (18450938751).

55259009409 is a wasteful number, since it uses less digits than its factorization.

55259009409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7817239.

The product of its (nonzero) digits is 729000, while the sum is 48.

The spelling of 55259009409 in words is "fifty-five billion, two hundred fifty-nine million, nine thousand, four hundred nine".