54389189 has 4 divisors (see below), whose sum is σ = 54596256. Its totient is φ = 54182124.

The previous prime is 54389173. The next prime is 54389201. The reversal of 54389189 is 98198345.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54389189 - 2⁴ = 54389173 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 (54389129) 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, 103139 + ... + 103664.

It is an arithmetic number, because the mean of its divisors is an integer number (13649064).

Almost surely, 2^54389189 is an apocalyptic number.

It is an amenable number.

54389189 is a deficient number, since it is larger than the sum of its proper divisors (207067).

54389189 is a wasteful number, since it uses less digits than its factorization.

54389189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207066.

The product of its digits is 311040, while the sum is 47.

The square root of 54389189 is about 7374.9026434252. The cubic root of 54389189 is about 378.8821929249.

The spelling of 54389189 in words is "fifty-four million, three hundred eighty-nine thousand, one hundred eighty-nine".