54212443 has 2 divisors, whose sum is σ = 54212444. Its totient is φ = 54212442.

The previous prime is 54212429. The next prime is 54212461. The reversal of 54212443 is 34421245.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54212443 - 2¹⁷ = 54081371 is a prime.

It is not a weakly prime, because it can be changed into another prime (54212413) 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, 27106221 + 27106222.

It is an arithmetic number, because the mean of its divisors is an integer number (27106222).

Almost surely, 2^54212443 is an apocalyptic number.

54212443 is a deficient number, since it is larger than the sum of its proper divisors (1).

54212443 is an equidigital number, since it uses as much as digits as its factorization.

54212443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 25.

The square root of 54212443 is about 7362.9099546307. The cubic root of 54212443 is about 378.4713356497.

Adding to 54212443 its reverse (34421245), we get a palindrome (88633688).

It can be divided in two parts, 542124 and 43, that multiplied together give a palindrome (23311332).

The spelling of 54212443 in words is "fifty-four million, two hundred twelve thousand, four hundred forty-three".