54224561 has 2 divisors, whose sum is σ = 54224562. Its totient is φ = 54224560.

The previous prime is 54224531. The next prime is 54224579. The reversal of 54224561 is 16542245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52649536 + 1575025 = 7256^2 + 1255^2 .

It is a cyclic number.

It is not a de Polignac number, because 54224561 - 2²² = 50030257 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (54224531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27112280 + 27112281.

It is an arithmetic number, because the mean of its divisors is an integer number (27112281).

Almost surely, 2^54224561 is an apocalyptic number.

It is an amenable number.

54224561 is a deficient number, since it is larger than the sum of its proper divisors (1).

54224561 is an equidigital number, since it uses as much as digits as its factorization.

54224561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600, while the sum is 29.

The square root of 54224561 is about 7363.7328169889. The cubic root of 54224561 is about 378.4995331982.

The spelling of 54224561 in words is "fifty-four million, two hundred twenty-four thousand, five hundred sixty-one".