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55294469 is a prime number
BaseRepresentation
bin1101001011101…
…1101000000101
310212001020202022
43102323220011
5103123410334
65253052525
71240665236
oct322735005
9125036668
1055294469
112923760a
1216627145
13b5c0229
1474b508d
154cc382e
hex34bba05

55294469 has 2 divisors, whose sum is σ = 55294470. Its totient is φ = 55294468.

The previous prime is 55294457. The next prime is 55294471. The reversal of 55294469 is 96449255.

55294469 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., 49350625 + 5943844 = 7025^2 + 2438^2 .

It is a cyclic number.

It is not a de Polignac number, because 55294469 - 24 = 55294453 is a prime.

It is a super-2 number, since 2×552944692 = 6114956603983922, which contains 22 as substring.

Together with 55294471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55294409) 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, 27647234 + 27647235.

It is an arithmetic number, because the mean of its divisors is an integer number (27647235).

Almost surely, 255294469 is an apocalyptic number.

It is an amenable number.

55294469 is a deficient number, since it is larger than the sum of its proper divisors (1).

55294469 is an equidigital number, since it uses as much as digits as its factorization.

55294469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 44.

The square root of 55294469 is about 7436.0250806462. The cubic root of 55294469 is about 380.9727363650.

The spelling of 55294469 in words is "fifty-five million, two hundred ninety-four thousand, four hundred sixty-nine".