55509938171 has 8 divisors (see below), whose sum is σ = 58824662400. Its totient is φ = 52288586560.

The previous prime is 55509938153. The next prime is 55509938191. The reversal of 55509938171 is 17183990555.

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 55509938171 - 2¹⁴ = 55509921787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55509938191) 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, 23341931 + ... + 23344308.

It is an arithmetic number, because the mean of its divisors is an integer number (7353082800).

Almost surely, 2^55509938171 is an apocalyptic number.

55509938171 is a deficient number, since it is larger than the sum of its proper divisors (3314724229).

55509938171 is a wasteful number, since it uses less digits than its factorization.

55509938171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46686309.

The product of its (nonzero) digits is 1701000, while the sum is 53.

The spelling of 55509938171 in words is "fifty-five billion, five hundred nine million, nine hundred thirty-eight thousand, one hundred seventy-one".