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57902057 is a prime number
BaseRepresentation
bin1101110011100…
…0001111101001
311000221201200122
43130320033221
5104310331212
65425013025
71302105443
oct334701751
9130851618
1057902057
112a758744
1217484175
13bcc4095
147993493
15513b272
hex37383e9

57902057 has 2 divisors, whose sum is σ = 57902058. Its totient is φ = 57902056.

The previous prime is 57902041. The next prime is 57902093. The reversal of 57902057 is 75020975.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57592921 + 309136 = 7589^2 + 556^2 .

It is a cyclic number.

It is not a de Polignac number, because 57902057 - 24 = 57902041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57902027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28951028 + 28951029.

It is an arithmetic number, because the mean of its divisors is an integer number (28951029).

Almost surely, 257902057 is an apocalyptic number.

It is an amenable number.

57902057 is a deficient number, since it is larger than the sum of its proper divisors (1).

57902057 is an equidigital number, since it uses as much as digits as its factorization.

57902057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22050, while the sum is 35.

The square root of 57902057 is about 7609.3401159365. The cubic root of 57902057 is about 386.8696532137.

The spelling of 57902057 in words is "fifty-seven million, nine hundred two thousand, fifty-seven".