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55474579 is a prime number
BaseRepresentation
bin1101001110011…
…1100110010011
310212101101211001
43103213212103
5103200141304
65301002431
71242345316
oct323474623
9125341731
1055474579
112934a966
12166b3417
13b6541c4
14752097d
154d0bda4
hex34e7993

55474579 has 2 divisors, whose sum is σ = 55474580. Its totient is φ = 55474578.

The previous prime is 55474577. The next prime is 55474583. The reversal of 55474579 is 97547455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55474579 - 21 = 55474577 is a prime.

Together with 55474577, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55474571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27737289 + 27737290.

It is an arithmetic number, because the mean of its divisors is an integer number (27737290).

Almost surely, 255474579 is an apocalyptic number.

55474579 is a deficient number, since it is larger than the sum of its proper divisors (1).

55474579 is an equidigital number, since it uses as much as digits as its factorization.

55474579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 882000, while the sum is 46.

The square root of 55474579 is about 7448.1258716539. The cubic root of 55474579 is about 381.3859340050.

The spelling of 55474579 in words is "fifty-five million, four hundred seventy-four thousand, five hundred seventy-nine".