57997349 has 2 divisors, whose sum is σ = 57997350. Its totient is φ = 57997348.

The previous prime is 57997309. The next prime is 57997351. The reversal of 57997349 is 94379975.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57532225 + 465124 = 7585^2 + 682^2 .

It is a cyclic number.

It is not a de Polignac number, because 57997349 - 2¹⁶ = 57931813 is a prime.

Together with 57997351, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57997349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57997309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28998674 + 28998675.

It is an arithmetic number, because the mean of its divisors is an integer number (28998675).

Almost surely, 2^57997349 is an apocalyptic number.

It is an amenable number.

57997349 is a deficient number, since it is larger than the sum of its proper divisors (1).

57997349 is an equidigital number, since it uses as much as digits as its factorization.

57997349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2143260, while the sum is 53.

The square root of 57997349 is about 7615.5990571983. The cubic root of 57997349 is about 387.0817664477.

The spelling of 57997349 in words is "fifty-seven million, nine hundred ninety-seven thousand, three hundred forty-nine".