57398843 has 2 divisors, whose sum is σ = 57398844. Its totient is φ = 57398842.

The previous prime is 57398837. The next prime is 57398881. The reversal of 57398843 is 34889375.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57398843 - 2⁴ = 57398827 is a prime.

It is not a weakly prime, because it can be changed into another prime (57391843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28699421 + 28699422.

It is an arithmetic number, because the mean of its divisors is an integer number (28699422).

Almost surely, 2^57398843 is an apocalyptic number.

57398843 is a deficient number, since it is larger than the sum of its proper divisors (1).

57398843 is an equidigital number, since it uses as much as digits as its factorization.

57398843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The square root of 57398843 is about 7576.2024128187. The cubic root of 57398843 is about 385.7456578376.

The spelling of 57398843 in words is "fifty-seven million, three hundred ninety-eight thousand, eight hundred forty-three".