54221099 has 2 divisors, whose sum is σ = 54221100. Its totient is φ = 54221098.

The previous prime is 54221081. The next prime is 54221107. The reversal of 54221099 is 99012245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54221099 - 2⁸ = 54220843 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54221029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27110549 + 27110550.

It is an arithmetic number, because the mean of its divisors is an integer number (27110550).

Almost surely, 2^54221099 is an apocalyptic number.

54221099 is a deficient number, since it is larger than the sum of its proper divisors (1).

54221099 is an equidigital number, since it uses as much as digits as its factorization.

54221099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 54221099 is about 7363.4977422418. The cubic root of 54221099 is about 378.4914778493.

The spelling of 54221099 in words is "fifty-four million, two hundred twenty-one thousand, ninety-nine".