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55268329 is a prime number
BaseRepresentation
bin1101001011010…
…1001111101001
310211222220220011
43102311033221
5103122041304
65252331521
71240526104
oct322651751
9124886804
1055268329
1129219a06
1216613ba1
13b5b136c
1474a973b
154cbac04
hex34b53e9

55268329 has 2 divisors, whose sum is σ = 55268330. Its totient is φ = 55268328.

The previous prime is 55268327. The next prime is 55268351. The reversal of 55268329 is 92386255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32228329 + 23040000 = 5677^2 + 4800^2 .

It is a cyclic number.

It is not a de Polignac number, because 55268329 - 21 = 55268327 is a prime.

Together with 55268327, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55268291 and 55268300.

It is not a weakly prime, because it can be changed into another prime (55268327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27634164 + 27634165.

It is an arithmetic number, because the mean of its divisors is an integer number (27634165).

Almost surely, 255268329 is an apocalyptic number.

It is an amenable number.

55268329 is a deficient number, since it is larger than the sum of its proper divisors (1).

55268329 is an equidigital number, since it uses as much as digits as its factorization.

55268329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 40.

The square root of 55268329 is about 7434.2672133842. The cubic root of 55268329 is about 380.9126930055.

The spelling of 55268329 in words is "fifty-five million, two hundred sixty-eight thousand, three hundred twenty-nine".