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54555169 is a prime number
BaseRepresentation
bin1101000000011…
…1001000100001
310210122200121211
43100013020201
5102431231134
65225150121
71231465654
oct320071041
9123580554
1054555169
1128882119
121632b341
13b3c1886
14736189b
154bc9764
hex3407221

54555169 has 2 divisors, whose sum is σ = 54555170. Its totient is φ = 54555168.

The previous prime is 54555107. The next prime is 54555173. The reversal of 54555169 is 96155545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51624225 + 2930944 = 7185^2 + 1712^2 .

It is a cyclic number.

It is not a de Polignac number, because 54555169 - 27 = 54555041 is a prime.

It is a super-2 number, since 2×545551692 = 5952532929237122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54555199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27277584 + 27277585.

It is an arithmetic number, because the mean of its divisors is an integer number (27277585).

Almost surely, 254555169 is an apocalyptic number.

It is an amenable number.

54555169 is a deficient number, since it is larger than the sum of its proper divisors (1).

54555169 is an equidigital number, since it uses as much as digits as its factorization.

54555169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 135000, while the sum is 40.

The square root of 54555169 is about 7386.1471011617. The cubic root of 54555169 is about 379.2672143171.

The spelling of 54555169 in words is "fifty-four million, five hundred fifty-five thousand, one hundred sixty-nine".