54422189 has 2 divisors, whose sum is σ = 54422190. Its totient is φ = 54422188.

The previous prime is 54422161. The next prime is 54422191. The reversal of 54422189 is 98122445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52809289 + 1612900 = 7267^2 + 1270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54422189 is a prime.

Together with 54422191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54422119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27211094 + 27211095.

It is an arithmetic number, because the mean of its divisors is an integer number (27211095).

Almost surely, 2^54422189 is an apocalyptic number.

It is an amenable number.

54422189 is a deficient number, since it is larger than the sum of its proper divisors (1).

54422189 is an equidigital number, since it uses as much as digits as its factorization.

54422189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 35.

The square root of 54422189 is about 7377.1396218318. The cubic root of 54422189 is about 378.9588048689.

The spelling of 54422189 in words is "fifty-four million, four hundred twenty-two thousand, one hundred eighty-nine".