55709480189 has 8 divisors (see below), whose sum is σ = 60993382368. Its totient is φ = 50462145360.

The previous prime is 55709480179. The next prime is 55709480191. The reversal of 55709480189 is 98108490755.

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

It is not a de Polignac number, because 55709480189 - 2⁴ = 55709480173 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 (55709480149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9138647 + ... + 9144740.

It is an arithmetic number, because the mean of its divisors is an integer number (7624172796).

Almost surely, 2^55709480189 is an apocalyptic number.

It is an amenable number.

55709480189 is a deficient number, since it is larger than the sum of its proper divisors (5283902179).

55709480189 is a wasteful number, since it uses less digits than its factorization.

55709480189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18283675.

The product of its (nonzero) digits is 3628800, while the sum is 56.

The spelling of 55709480189 in words is "fifty-five billion, seven hundred nine million, four hundred eighty thousand, one hundred eighty-nine".