55565171 has 8 divisors (see below), whose sum is σ = 58104864. Its totient is φ = 53035840.

The previous prime is 55565161. The next prime is 55565173. The reversal of 55565171 is 17156555.

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 55565171 - 2²² = 51370867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55565173) 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, 9665 + ... + 14301.

It is an arithmetic number, because the mean of its divisors is an integer number (7263108).

Almost surely, 2^55565171 is an apocalyptic number.

55565171 is a deficient number, since it is larger than the sum of its proper divisors (2539693).

55565171 is a wasteful number, since it uses less digits than its factorization.

55565171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5181.

The product of its digits is 26250, while the sum is 35.

The square root of 55565171 is about 7454.2049207142. The cubic root of 55565171 is about 381.5934267869.

The spelling of 55565171 in words is "fifty-five million, five hundred sixty-five thousand, one hundred seventy-one".