57846749 has 2 divisors, whose sum is σ = 57846750. Its totient is φ = 57846748.

The previous prime is 57846731. The next prime is 57846751. The reversal of 57846749 is 94764875.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44023225 + 13823524 = 6635^2 + 3718^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57846749 is a prime.

Together with 57846751, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 57846697 and 57846706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57846769) 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, 28923374 + 28923375.

It is an arithmetic number, because the mean of its divisors is an integer number (28923375).

Almost surely, 2^57846749 is an apocalyptic number.

It is an amenable number.

57846749 is a deficient number, since it is larger than the sum of its proper divisors (1).

57846749 is an equidigital number, since it uses as much as digits as its factorization.

57846749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 50.

The square root of 57846749 is about 7605.7050297786. The cubic root of 57846749 is about 386.7464347750.

The spelling of 57846749 in words is "fifty-seven million, eight hundred forty-six thousand, seven hundred forty-nine".