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54222031 is a prime number
BaseRepresentation
bin1100111011010…
…1110011001111
310210000202122101
43032311303033
5102340101111
65214055531
71225610503
oct316656317
9123022571
1054222031
11286748a6
12161aa5a7
13b306056
1472b6303
154b60bc1
hex33b5ccf

54222031 has 2 divisors, whose sum is σ = 54222032. Its totient is φ = 54222030.

The previous prime is 54222023. The next prime is 54222037. The reversal of 54222031 is 13022245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54222031 - 23 = 54222023 is a prime.

It is a super-2 number, since 2×542220312 = 5880057291529922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54222037) 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, 27111015 + 27111016.

It is an arithmetic number, because the mean of its divisors is an integer number (27111016).

Almost surely, 254222031 is an apocalyptic number.

54222031 is a deficient number, since it is larger than the sum of its proper divisors (1).

54222031 is an equidigital number, since it uses as much as digits as its factorization.

54222031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 54222031 is about 7363.5610271118. The cubic root of 54222031 is about 378.4936464518.

Adding to 54222031 its reverse (13022245), we get a palindrome (67244276).

The spelling of 54222031 in words is "fifty-four million, two hundred twenty-two thousand, thirty-one".