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54381169 is a prime number
BaseRepresentation
bin1100111101110…
…0101001110001
310210022211221101
43033130221301
5102410144134
65221324401
71230142453
oct317345161
9123284841
1054381169
1128773417
1216266701
13b36060b
1473182d3
154b92e14
hex33dca71

54381169 has 2 divisors, whose sum is σ = 54381170. Its totient is φ = 54381168.

The previous prime is 54381163. The next prime is 54381193. The reversal of 54381169 is 96118345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44395569 + 9985600 = 6663^2 + 3160^2 .

It is a cyclic number.

It is not a de Polignac number, because 54381169 - 215 = 54348401 is a prime.

It is a super-2 number, since 2×543811692 = 5914623083613122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54381163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27190584 + 27190585.

It is an arithmetic number, because the mean of its divisors is an integer number (27190585).

Almost surely, 254381169 is an apocalyptic number.

It is an amenable number.

54381169 is a deficient number, since it is larger than the sum of its proper divisors (1).

54381169 is an equidigital number, since it uses as much as digits as its factorization.

54381169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 37.

The square root of 54381169 is about 7374.3588873881. The cubic root of 54381169 is about 378.8635692204.

The spelling of 54381169 in words is "fifty-four million, three hundred eighty-one thousand, one hundred sixty-nine".