55005171 has 16 divisors (see below), whose sum is σ = 83139840. Its totient is φ = 32067360.

The previous prime is 55005163. The next prime is 55005173. The reversal of 55005171 is 17150055.

It is not a de Polignac number, because 55005171 - 2³ = 55005163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55005173) 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 15 ways as a sum of consecutive naturals, for example, 36375 + ... + 37856.

It is an arithmetic number, because the mean of its divisors is an integer number (5196240).

Almost surely, 2^55005171 is an apocalyptic number.

55005171 is a deficient number, since it is larger than the sum of its proper divisors (28134669).

55005171 is a wasteful number, since it uses less digits than its factorization.

55005171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74266.

The product of its (nonzero) digits is 875, while the sum is 24.

The square root of 55005171 is about 7416.5471076506. The cubic root of 55005171 is about 380.3071639252.

The spelling of 55005171 in words is "fifty-five million, five thousand, one hundred seventy-one".