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57452201 is a prime number
BaseRepresentation
bin1101101100101…
…0011010101001
311000002212121022
43123022122221
5104201432301
65411222225
71265223062
oct333123251
9130085538
1057452201
112a480764
12172a7975
13bb973b1
1478b7569
15509cd1b
hex36ca6a9

57452201 has 2 divisors, whose sum is σ = 57452202. Its totient is φ = 57452200.

The previous prime is 57452191. The next prime is 57452209. The reversal of 57452201 is 10225475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42250000 + 15202201 = 6500^2 + 3899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57452201 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (57452209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28726100 + 28726101.

It is an arithmetic number, because the mean of its divisors is an integer number (28726101).

Almost surely, 257452201 is an apocalyptic number.

It is an amenable number.

57452201 is a deficient number, since it is larger than the sum of its proper divisors (1).

57452201 is an equidigital number, since it uses as much as digits as its factorization.

57452201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 57452201 is about 7579.7230160475. The cubic root of 57452201 is about 385.8651506192.

Adding to 57452201 its reverse (10225475), we get a palindrome (67677676).

The spelling of 57452201 in words is "fifty-seven million, four hundred fifty-two thousand, two hundred one".