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57275863 is a prime number
BaseRepresentation
bin1101101001111…
…1010111010111
310222202220201021
43122133113113
5104130311423
65403342011
71263560011
oct332372727
9128686637
1057275863
112a370227
1217221907
13bb35058
14786d1b1
15506595d
hex369f5d7

57275863 has 2 divisors, whose sum is σ = 57275864. Its totient is φ = 57275862.

The previous prime is 57275851. The next prime is 57275917. The reversal of 57275863 is 36857275.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57275863 - 25 = 57275831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57275833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28637931 + 28637932.

It is an arithmetic number, because the mean of its divisors is an integer number (28637932).

Almost surely, 257275863 is an apocalyptic number.

57275863 is a deficient number, since it is larger than the sum of its proper divisors (1).

57275863 is an equidigital number, since it uses as much as digits as its factorization.

57275863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 43.

The square root of 57275863 is about 7568.0818573797. The cubic root of 57275863 is about 385.4699674864.

The spelling of 57275863 in words is "fifty-seven million, two hundred seventy-five thousand, eight hundred sixty-three".