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54222479 is a prime number
BaseRepresentation
bin1100111011010…
…1111010001111
310210000210020222
43032311322033
5102340104404
65214101555
71225612013
oct316657217
9123023228
1054222479
1128675173
12161aa8bb
13b30630c
1472b6543
154b60dbe
hex33b5e8f

54222479 has 2 divisors, whose sum is σ = 54222480. Its totient is φ = 54222478.

The previous prime is 54222463. The next prime is 54222481. The reversal of 54222479 is 97422245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54222479 - 24 = 54222463 is a prime.

Together with 54222481, 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 (54822479) 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, 27111239 + 27111240.

It is an arithmetic number, because the mean of its divisors is an integer number (27111240).

Almost surely, 254222479 is an apocalyptic number.

54222479 is a deficient number, since it is larger than the sum of its proper divisors (1).

54222479 is an equidigital number, since it uses as much as digits as its factorization.

54222479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 54222479 is about 7363.5914471133. The cubic root of 54222479 is about 378.4946888613.

The spelling of 54222479 in words is "fifty-four million, two hundred twenty-two thousand, four hundred seventy-nine".