55550171 has 4 divisors (see below), whose sum is σ = 57342144. Its totient is φ = 53758200.

The previous prime is 55550161. The next prime is 55550179. The reversal of 55550171 is 17105555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55550171 - 2¹⁴ = 55533787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55550179) 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, 895940 + ... + 896001.

It is an arithmetic number, because the mean of its divisors is an integer number (14335536).

Almost surely, 2^55550171 is an apocalyptic number.

55550171 is a deficient number, since it is larger than the sum of its proper divisors (1791973).

55550171 is a wasteful number, since it uses less digits than its factorization.

55550171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791972.

The product of its (nonzero) digits is 4375, while the sum is 29.

The square root of 55550171 is about 7453.1987092791. The cubic root of 55550171 is about 381.5590862313.

The spelling of 55550171 in words is "fifty-five million, five hundred fifty thousand, one hundred seventy-one".