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54105449 is a prime number
BaseRepresentation
bin1100111001100…
…1010101101001
310202210211201112
43032121111221
5102322333244
65211400105
71224613556
oct316312551
9122724645
1054105449
11285a5252
1216153035
13b294c78
147285a2d
154b3b39e
hex3399569

54105449 has 2 divisors, whose sum is σ = 54105450. Its totient is φ = 54105448.

The previous prime is 54105437. The next prime is 54105461. The reversal of 54105449 is 94450145.

It is a balanced prime because it is at equal distance from previous prime (54105437) and next prime (54105461).

It can be written as a sum of positive squares in only one way, i.e., 37295449 + 16810000 = 6107^2 + 4100^2 .

It is a cyclic number.

It is not a de Polignac number, because 54105449 - 28 = 54105193 is a prime.

It is a super-2 number, since 2×541054492 = 5854799222983202, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54105409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27052724 + 27052725.

It is an arithmetic number, because the mean of its divisors is an integer number (27052725).

Almost surely, 254105449 is an apocalyptic number.

It is an amenable number.

54105449 is a deficient number, since it is larger than the sum of its proper divisors (1).

54105449 is an equidigital number, since it uses as much as digits as its factorization.

54105449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 54105449 is about 7355.6406247179. The cubic root of 54105449 is about 378.2221872443. Note that the first 3 decimals are identical.

The spelling of 54105449 in words is "fifty-four million, one hundred five thousand, four hundred forty-nine".