54212399 has 2 divisors, whose sum is σ = 54212400. Its totient is φ = 54212398.

The previous prime is 54212387. The next prime is 54212401. The reversal of 54212399 is 99321245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54212399 - 2⁸ = 54212143 is a prime.

Together with 54212401, 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 (54212359) 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, 27106199 + 27106200.

It is an arithmetic number, because the mean of its divisors is an integer number (27106200).

Almost surely, 2^54212399 is an apocalyptic number.

54212399 is a deficient number, since it is larger than the sum of its proper divisors (1).

54212399 is an equidigital number, since it uses as much as digits as its factorization.

54212399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 35.

The square root of 54212399 is about 7362.9069666810. The cubic root of 54212399 is about 378.4712332578.

The spelling of 54212399 in words is "fifty-four million, two hundred twelve thousand, three hundred ninety-nine".