55271271 has 8 divisors (see below), whose sum is σ = 80394624. Its totient is φ = 33497720.

The previous prime is 55271261. The next prime is 55271273. The reversal of 55271271 is 17217255.

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 55271271 - 2¹³ = 55263079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55271273) 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 7 ways as a sum of consecutive naturals, for example, 837411 + ... + 837476.

It is an arithmetic number, because the mean of its divisors is an integer number (10049328).

Almost surely, 2^55271271 is an apocalyptic number.

55271271 is a deficient number, since it is larger than the sum of its proper divisors (25123353).

55271271 is a wasteful number, since it uses less digits than its factorization.

55271271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674901.

The product of its digits is 4900, while the sum is 30.

The square root of 55271271 is about 7434.4650782689. The cubic root of 55271271 is about 380.9194517001.

The spelling of 55271271 in words is "fifty-five million, two hundred seventy-one thousand, two hundred seventy-one".