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55224629 is a prime number
BaseRepresentation
bin1101001010101…
…0100100110101
310211220200221122
43102222210311
5103114142004
65251353325
71240254515
oct322524465
9124820848
1055224629
112919a099
12165b2845
13b5974c5
147497845
154caccbe
hex34aa935

55224629 has 2 divisors, whose sum is σ = 55224630. Its totient is φ = 55224628.

The previous prime is 55224623. The next prime is 55224643. The reversal of 55224629 is 92642255.

55224629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53728900 + 1495729 = 7330^2 + 1223^2 .

It is a cyclic number.

It is not a de Polignac number, because 55224629 - 224 = 38447413 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p3294845 and since 55224629 and 3294845 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55224623) 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, 27612314 + 27612315.

It is an arithmetic number, because the mean of its divisors is an integer number (27612315).

Almost surely, 255224629 is an apocalyptic number.

It is an amenable number.

55224629 is a deficient number, since it is larger than the sum of its proper divisors (1).

55224629 is an equidigital number, since it uses as much as digits as its factorization.

55224629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 35.

The square root of 55224629 is about 7431.3275395450. The cubic root of 55224629 is about 380.8122721790.

The spelling of 55224629 in words is "fifty-five million, two hundred twenty-four thousand, six hundred twenty-nine".