54444191 has 4 divisors (see below), whose sum is σ = 54926112. Its totient is φ = 53962272.

The previous prime is 54444161. The next prime is 54444209. The reversal of 54444191 is 19144445.

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 54444191 - 2⁶ = 54444127 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 (54444161) 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, 240791 + ... + 241016.

It is an arithmetic number, because the mean of its divisors is an integer number (13731528).

Almost surely, 2^54444191 is an apocalyptic number.

54444191 is a deficient number, since it is larger than the sum of its proper divisors (481921).

54444191 is a wasteful number, since it uses less digits than its factorization.

54444191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481920.

The product of its digits is 11520, while the sum is 32.

The square root of 54444191 is about 7378.6306995268. The cubic root of 54444191 is about 379.0098669352.

The spelling of 54444191 in words is "fifty-four million, four hundred forty-four thousand, one hundred ninety-one".