54222149 has 2 divisors, whose sum is σ = 54222150. Its totient is φ = 54222148.

The previous prime is 54222139. The next prime is 54222151. The reversal of 54222149 is 94122245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53919649 + 302500 = 7343^2 + 550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54222149 is a prime.

Together with 54222151, 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 (54222139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27111074 + 27111075.

It is an arithmetic number, because the mean of its divisors is an integer number (27111075).

Almost surely, 2^54222149 is an apocalyptic number.

It is an amenable number.

54222149 is a deficient number, since it is larger than the sum of its proper divisors (1).

54222149 is an equidigital number, since it uses as much as digits as its factorization.

54222149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 29.

The square root of 54222149 is about 7363.5690395351. The cubic root of 54222149 is about 378.4939210156.

The spelling of 54222149 in words is "fifty-four million, two hundred twenty-two thousand, one hundred forty-nine".