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57054409 is a prime number
BaseRepresentation
bin1101100110100…
…1010011001001
310222100122221021
43121221103021
5104101220114
65354512441
71261645246
oct331512311
9128318837
1057054409
112a229905
1217135721
13ba88309
1478125cd
155020024
hex36694c9

57054409 has 2 divisors, whose sum is σ = 57054410. Its totient is φ = 57054408.

The previous prime is 57054383. The next prime is 57054419. The reversal of 57054409 is 90445075.

57054409 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., 54804409 + 2250000 = 7403^2 + 1500^2 .

It is a cyclic number.

It is not a de Polignac number, because 57054409 - 25 = 57054377 is a prime.

It is not a weakly prime, because it can be changed into another prime (57054419) 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, 28527204 + 28527205.

It is an arithmetic number, because the mean of its divisors is an integer number (28527205).

Almost surely, 257054409 is an apocalyptic number.

It is an amenable number.

57054409 is a deficient number, since it is larger than the sum of its proper divisors (1).

57054409 is an equidigital number, since it uses as much as digits as its factorization.

57054409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 57054409 is about 7553.4368998490. The cubic root of 57054409 is about 384.9725262905.

The spelling of 57054409 in words is "fifty-seven million, fifty-four thousand, four hundred nine".