55305171 has 6 divisors (see below), whose sum is σ = 79885260. Its totient is φ = 36870108.

The previous prime is 55305169. The next prime is 55305191. The reversal of 55305171 is 17150355.

It is not a de Polignac number, because 55305171 - 2¹ = 55305169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55305191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3072501 + ... + 3072518.

It is an arithmetic number, because the mean of its divisors is an integer number (13314210).

Almost surely, 2^55305171 is an apocalyptic number.

55305171 is a deficient number, since it is larger than the sum of its proper divisors (24580089).

55305171 is a wasteful number, since it uses less digits than its factorization.

55305171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6145025 (or 6145022 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 27.

The square root of 55305171 is about 7436.7446507192. The cubic root of 55305171 is about 380.9973133090.

It can be divided in two parts, 5530 and 5171, that added together give a palindrome (10701).

The spelling of 55305171 in words is "fifty-five million, three hundred five thousand, one hundred seventy-one".