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54168029 is a prime number
BaseRepresentation
bin1100111010100…
…0100111011101
310202221000120022
43032220213131
5102331334104
65213001525
71225264166
oct316504735
9122830508
1054168029
1128638273
12161832a5
13b2b75b6
1472a076d
154b4ebbe
hex33a89dd

54168029 has 2 divisors, whose sum is σ = 54168030. Its totient is φ = 54168028.

The previous prime is 54167989. The next prime is 54168053. The reversal of 54168029 is 92086145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51912025 + 2256004 = 7205^2 + 1502^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54168029 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54168029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54168229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27084014 + 27084015.

It is an arithmetic number, because the mean of its divisors is an integer number (27084015).

Almost surely, 254168029 is an apocalyptic number.

It is an amenable number.

54168029 is a deficient number, since it is larger than the sum of its proper divisors (1).

54168029 is an equidigital number, since it uses as much as digits as its factorization.

54168029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 54168029 is about 7359.8932736827. The cubic root of 54168029 is about 378.3679521367.

The spelling of 54168029 in words is "fifty-four million, one hundred sixty-eight thousand, twenty-nine".