54221771 has 2 divisors, whose sum is σ = 54221772. Its totient is φ = 54221770.

The previous prime is 54221743. The next prime is 54221813. The reversal of 54221771 is 17712245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54221771 - 2⁶ = 54221707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54221071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27110885 + 27110886.

It is an arithmetic number, because the mean of its divisors is an integer number (27110886).

Almost surely, 2^54221771 is an apocalyptic number.

54221771 is a deficient number, since it is larger than the sum of its proper divisors (1).

54221771 is an equidigital number, since it uses as much as digits as its factorization.

54221771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3920, while the sum is 29.

The square root of 54221771 is about 7363.5433725890. The cubic root of 54221771 is about 378.4930414793.

The spelling of 54221771 in words is "fifty-four million, two hundred twenty-one thousand, seven hundred seventy-one".