54682189 has 4 divisors (see below), whose sum is σ = 56160124. Its totient is φ = 53204256.

The previous prime is 54682163. The next prime is 54682211. The reversal of 54682189 is 98128645.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98128645 = 5 ⋅19625729.

It can be written as a sum of positive squares in 2 ways, for example, as 37393225 + 17288964 = 6115^2 + 4158^2 .

It is a cyclic number.

It is not a de Polignac number, because 54682189 - 2⁵ = 54682157 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 (54682289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 738912 + ... + 738985.

It is an arithmetic number, because the mean of its divisors is an integer number (14040031).

Almost surely, 2^54682189 is an apocalyptic number.

It is an amenable number.

54682189 is a deficient number, since it is larger than the sum of its proper divisors (1477935).

54682189 is a wasteful number, since it uses less digits than its factorization.

54682189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477934.

The product of its digits is 138240, while the sum is 43.

The square root of 54682189 is about 7394.7406310161. The cubic root of 54682189 is about 379.5613336017.

The spelling of 54682189 in words is "fifty-four million, six hundred eighty-two thousand, one hundred eighty-nine".