Search a number
-
+
55338443 is a prime number
BaseRepresentation
bin1101001100011…
…0010111001011
310212010111001222
43103012113023
5103131312233
65254032255
71241240366
oct323062713
9125114058
1055338443
1129267656
121664868b
13b607254
1474c70dd
154cd1898
hex34c65cb

55338443 has 2 divisors, whose sum is σ = 55338444. Its totient is φ = 55338442.

The previous prime is 55338419. The next prime is 55338497. The reversal of 55338443 is 34483355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55338443 - 28 = 55338187 is a prime.

It is a super-3 number, since 3×553384433 (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55338343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27669221 + 27669222.

It is an arithmetic number, because the mean of its divisors is an integer number (27669222).

Almost surely, 255338443 is an apocalyptic number.

55338443 is a deficient number, since it is larger than the sum of its proper divisors (1).

55338443 is an equidigital number, since it uses as much as digits as its factorization.

55338443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 35.

The square root of 55338443 is about 7438.9813146694. The cubic root of 55338443 is about 381.0737015932.

The spelling of 55338443 in words is "fifty-five million, three hundred thirty-eight thousand, four hundred forty-three".