54027191 has 4 divisors (see below), whose sum is σ = 54064872. Its totient is φ = 53989512.

The previous prime is 54027187. The next prime is 54027209. The reversal of 54027191 is 19172045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54027191 - 2² = 54027187 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 (54027101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16601 + ... + 19586.

It is an arithmetic number, because the mean of its divisors is an integer number (13516218).

Almost surely, 2^54027191 is an apocalyptic number.

54027191 is a deficient number, since it is larger than the sum of its proper divisors (37681).

54027191 is a wasteful number, since it uses less digits than its factorization.

54027191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37680.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 54027191 is about 7350.3191087190. The cubic root of 54027191 is about 378.0397460143.

The spelling of 54027191 in words is "fifty-four million, twenty-seven thousand, one hundred ninety-one".