57649357 has 2 divisors, whose sum is σ = 57649358. Its totient is φ = 57649356.

The previous prime is 57649289. The next prime is 57649379. The reversal of 57649357 is 75394675.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49646116 + 8003241 = 7046^2 + 2829^2 .

It is a cyclic number.

It is not a de Polignac number, because 57649357 - 2¹⁵ = 57616589 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57649457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28824678 + 28824679.

It is an arithmetic number, because the mean of its divisors is an integer number (28824679).

Almost surely, 2^57649357 is an apocalyptic number.

It is an amenable number.

57649357 is a deficient number, since it is larger than the sum of its proper divisors (1).

57649357 is an equidigital number, since it uses as much as digits as its factorization.

57649357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 793800, while the sum is 46.

The square root of 57649357 is about 7592.7173660028. The cubic root of 57649357 is about 386.3060317466.

The spelling of 57649357 in words is "fifty-seven million, six hundred forty-nine thousand, three hundred fifty-seven".