57117343 has 2 divisors, whose sum is σ = 57117344. Its totient is φ = 57117342.

The previous prime is 57117337. The next prime is 57117367. The reversal of 57117343 is 34371175.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57117343 - 2²¹ = 55020191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57111343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28558671 + 28558672.

It is an arithmetic number, because the mean of its divisors is an integer number (28558672).

Almost surely, 2^57117343 is an apocalyptic number.

57117343 is a deficient number, since it is larger than the sum of its proper divisors (1).

57117343 is an equidigital number, since it uses as much as digits as its factorization.

57117343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 31.

The square root of 57117343 is about 7557.6016698421. The cubic root of 57117343 is about 385.1140225607.

The spelling of 57117343 in words is "fifty-seven million, one hundred seventeen thousand, three hundred forty-three".