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55266829 is a prime number
BaseRepresentation
bin1101001011010…
…0111000001101
310211222211211121
43102310320031
5103122014304
65252320541
71240521532
oct322647015
9124884747
1055266829
1129218872
1216613151
13b5b0787
1474a8d89
154cba554
hex34b4e0d

55266829 has 2 divisors, whose sum is σ = 55266830. Its totient is φ = 55266828.

The previous prime is 55266823. The next prime is 55266833. The reversal of 55266829 is 92866255.

55266829 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., 46104100 + 9162729 = 6790^2 + 3027^2 .

It is a cyclic number.

It is not a de Polignac number, because 55266829 - 25 = 55266797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55266823) 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, 27633414 + 27633415.

It is an arithmetic number, because the mean of its divisors is an integer number (27633415).

Almost surely, 255266829 is an apocalyptic number.

It is an amenable number.

55266829 is a deficient number, since it is larger than the sum of its proper divisors (1).

55266829 is an equidigital number, since it uses as much as digits as its factorization.

55266829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 43.

The square root of 55266829 is about 7434.1663285132. The cubic root of 55266829 is about 380.9092469439.

The spelling of 55266829 in words is "fifty-five million, two hundred sixty-six thousand, eight hundred twenty-nine".