55319271 has 8 divisors (see below), whose sum is σ = 84296064. Its totient is φ = 31611000.

The previous prime is 55319267. The next prime is 55319273. The reversal of 55319271 is 17291355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55319271 - 2² = 55319267 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55319273) 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, 1317105 + ... + 1317146.

It is an arithmetic number, because the mean of its divisors is an integer number (10537008).

Almost surely, 2^55319271 is an apocalyptic number.

55319271 is a deficient number, since it is larger than the sum of its proper divisors (28976793).

55319271 is a wasteful number, since it uses less digits than its factorization.

55319271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634261.

The product of its digits is 9450, while the sum is 33.

The square root of 55319271 is about 7437.6925857419. The cubic root of 55319271 is about 381.0296888570.

The spelling of 55319271 in words is "fifty-five million, three hundred nineteen thousand, two hundred seventy-one".