55305271 has 24 divisors (see below), whose sum is σ = 69341184. Its totient is φ = 43853040.

The previous prime is 55305259. The next prime is 55305281. The reversal of 55305271 is 17250355.

It is not a de Polignac number, because 55305271 - 2¹⁹ = 54780983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55305221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34146 + ... + 35728.

It is an arithmetic number, because the mean of its divisors is an integer number (2889216).

Almost surely, 2^55305271 is an apocalyptic number.

55305271 is a deficient number, since it is larger than the sum of its proper divisors (14035913).

55305271 is a wasteful number, since it uses less digits than its factorization.

55305271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651 (or 1644 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 55305271 is about 7436.7513740880. The cubic root of 55305271 is about 380.9975429422.

It can be divided in two parts, 5530 and 5271, that added together give a palindrome (10801).

The spelling of 55305271 in words is "fifty-five million, three hundred five thousand, two hundred seventy-one".