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55204529 is a prime number
BaseRepresentation
bin1101001010010…
…1101010110001
310211212200101012
43102211222301
5103113021104
65251120305
71240142102
oct322455261
9124780335
1055204529
1129185a86
12165a3095
13b58b303
1474903a9
154ca6d6e
hex34a5ab1

55204529 has 2 divisors, whose sum is σ = 55204530. Its totient is φ = 55204528.

The previous prime is 55204493. The next prime is 55204549. The reversal of 55204529 is 92540255.

55204529 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., 36481600 + 18722929 = 6040^2 + 4327^2 .

It is a cyclic number.

It is not a de Polignac number, because 55204529 - 220 = 54155953 is a prime.

It is a super-2 number, since 2×552045292 = 6095080044223682, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55204495 and 55204504.

It is not a weakly prime, because it can be changed into another prime (55204549) 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, 27602264 + 27602265.

It is an arithmetic number, because the mean of its divisors is an integer number (27602265).

Almost surely, 255204529 is an apocalyptic number.

It is an amenable number.

55204529 is a deficient number, since it is larger than the sum of its proper divisors (1).

55204529 is an equidigital number, since it uses as much as digits as its factorization.

55204529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 55204529 is about 7429.9750336054. The cubic root of 55204529 is about 380.7660654071.

The spelling of 55204529 in words is "fifty-five million, two hundred four thousand, five hundred twenty-nine".