57395287 has 2 divisors, whose sum is σ = 57395288. Its totient is φ = 57395286.

The previous prime is 57395267. The next prime is 57395293. The reversal of 57395287 is 78259375.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57395287 - 2¹⁹ = 56870999 is a prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57395267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28697643 + 28697644.

It is an arithmetic number, because the mean of its divisors is an integer number (28697644).

Almost surely, 2^57395287 is an apocalyptic number.

57395287 is a deficient number, since it is larger than the sum of its proper divisors (1).

57395287 is an equidigital number, since it uses as much as digits as its factorization.

57395287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 46.

The square root of 57395287 is about 7575.9677269640. The cubic root of 57395287 is about 385.7376917079.

It can be divided in two parts, 5739 and 5287, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 57395287 in words is "fifty-seven million, three hundred ninety-five thousand, two hundred eighty-seven".