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55103033 is a prime number
BaseRepresentation
bin1101001000110…
…0111000111001
310211200112011002
43102030320321
5103101244113
65245014345
71236240146
oct322147071
9124615132
1055103033
11291167a7
12165543b5
13b55405b
1474653cd
154c86c58
hex348ce39

55103033 has 2 divisors, whose sum is σ = 55103034. Its totient is φ = 55103032.

The previous prime is 55102997. The next prime is 55103039. The reversal of 55103033 is 33030155.

55103033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43454464 + 11648569 = 6592^2 + 3413^2 .

It is a cyclic number.

It is not a de Polignac number, because 55103033 - 26 = 55102969 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55102996 and 55103014.

It is not a weakly prime, because it can be changed into another prime (55103039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27551516 + 27551517.

It is an arithmetic number, because the mean of its divisors is an integer number (27551517).

Almost surely, 255103033 is an apocalyptic number.

It is an amenable number.

55103033 is a deficient number, since it is larger than the sum of its proper divisors (1).

55103033 is an equidigital number, since it uses as much as digits as its factorization.

55103033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 675, while the sum is 20.

The square root of 55103033 is about 7423.1417203230. The cubic root of 55103033 is about 380.5325704278.

Adding to 55103033 its reverse (33030155), we get a palindrome (88133188).

The spelling of 55103033 in words is "fifty-five million, one hundred three thousand, thirty-three".