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57383057 is a prime number
BaseRepresentation
bin1101101011100…
…1100010010001
310222222100202102
43122321202101
5104142224212
65405530145
71264514354
oct332714221
9128870672
1057383057
112a433816
1217273955
13bb71a94
14789a29b
1550875c2
hex36b9891

57383057 has 2 divisors, whose sum is σ = 57383058. Its totient is φ = 57383056.

The previous prime is 57383033. The next prime is 57383069. The reversal of 57383057 is 75038375.

It is a happy number.

57383057 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., 38987536 + 18395521 = 6244^2 + 4289^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57383057 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57383057.

It is not a weakly prime, because it can be changed into another prime (57383087) 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, 28691528 + 28691529.

It is an arithmetic number, because the mean of its divisors is an integer number (28691529).

Almost surely, 257383057 is an apocalyptic number.

It is an amenable number.

57383057 is a deficient number, since it is larger than the sum of its proper divisors (1).

57383057 is an equidigital number, since it uses as much as digits as its factorization.

57383057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 57383057 is about 7575.1605263519. The cubic root of 57383057 is about 385.7102916237.

The spelling of 57383057 in words is "fifty-seven million, three hundred eighty-three thousand, fifty-seven".