55271361 has 24 divisors (see below), whose sum is σ = 80410720. Its totient is φ = 33675264.

The previous prime is 55271353. The next prime is 55271413. The reversal of 55271361 is 16317255.

It is not a de Polignac number, because 55271361 - 2³ = 55271353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55271261) 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, 47361 + ... + 48513.

Almost surely, 2^55271361 is an apocalyptic number.

It is an amenable number.

55271361 is a deficient number, since it is larger than the sum of its proper divisors (25139359).

55271361 is a wasteful number, since it uses less digits than its factorization.

55271361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233 (or 1204 counting only the distinct ones).

The product of its digits is 6300, while the sum is 30.

The square root of 55271361 is about 7434.4711311565. The cubic root of 55271361 is about 380.9196584545.

The spelling of 55271361 in words is "fifty-five million, two hundred seventy-one thousand, three hundred sixty-one".