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57544453 is a prime number
BaseRepresentation
bin1101101110000…
…0111100000101
311000021120011001
43123200330011
5104212410303
65413213301
71266056041
oct333407405
9130246131
1057544453
112a533aaa
1217331231
13bbca395
1478dd021
1550ba31d
hex36e0f05

57544453 has 2 divisors, whose sum is σ = 57544454. Its totient is φ = 57544452.

The previous prime is 57544451. The next prime is 57544519. The reversal of 57544453 is 35444575.

57544453 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., 33895684 + 23648769 = 5822^2 + 4863^2 .

It is a cyclic number.

It is not a de Polignac number, because 57544453 - 21 = 57544451 is a prime.

It is a super-2 number, since 2×575444532 = 6622728142138418, which contains 22 as substring.

Together with 57544451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57544451) 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, 28772226 + 28772227.

It is an arithmetic number, because the mean of its divisors is an integer number (28772227).

Almost surely, 257544453 is an apocalyptic number.

It is an amenable number.

57544453 is a deficient number, since it is larger than the sum of its proper divisors (1).

57544453 is an equidigital number, since it uses as much as digits as its factorization.

57544453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168000, while the sum is 37.

The square root of 57544453 is about 7585.8060217751. The cubic root of 57544453 is about 386.0715703061.

The spelling of 57544453 in words is "fifty-seven million, five hundred forty-four thousand, four hundred fifty-three".