57872849 has 2 divisors, whose sum is σ = 57872850. Its totient is φ = 57872848.

The previous prime is 57872833. The next prime is 57872851. The reversal of 57872849 is 94827875.

57872849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57866449 + 6400 = 7607^2 + 80^2 .

It is a cyclic number.

It is not a de Polignac number, because 57872849 - 2⁴ = 57872833 is a prime.

Together with 57872851, 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 = 57872797 and 57872806.

It is not a weakly prime, because it can be changed into another prime (57272849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28936424 + 28936425.

It is an arithmetic number, because the mean of its divisors is an integer number (28936425).

Almost surely, 2^57872849 is an apocalyptic number.

It is an amenable number.

57872849 is a deficient number, since it is larger than the sum of its proper divisors (1).

57872849 is an equidigital number, since it uses as much as digits as its factorization.

57872849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960, while the sum is 50.

The square root of 57872849 is about 7607.4206535461. The cubic root of 57872849 is about 386.8045916831.

The spelling of 57872849 in words is "fifty-seven million, eight hundred seventy-two thousand, eight hundred forty-nine".