57257363 has 2 divisors, whose sum is σ = 57257364. Its totient is φ = 57257362.

The previous prime is 57257323. The next prime is 57257423. The reversal of 57257363 is 36375275.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57257363 - 2²⁰ = 56208787 is a prime.

It is not a weakly prime, because it can be changed into another prime (57257323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28628681 + 28628682.

It is an arithmetic number, because the mean of its divisors is an integer number (28628682).

Almost surely, 2^57257363 is an apocalyptic number.

57257363 is a deficient number, since it is larger than the sum of its proper divisors (1).

57257363 is an equidigital number, since it uses as much as digits as its factorization.

57257363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 132300, while the sum is 38.

The square root of 57257363 is about 7566.8595203030. The cubic root of 57257363 is about 385.4284609834.

The spelling of 57257363 in words is "fifty-seven million, two hundred fifty-seven thousand, three hundred sixty-three".