57049319 has 2 divisors, whose sum is σ = 57049320. Its totient is φ = 57049318.

The previous prime is 57049313. The next prime is 57049357. The reversal of 57049319 is 91394075.

It is a happy number.

57049319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (57049357) can be obtained adding 57049319 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57049319 - 2¹² = 57045223 is a prime.

It is a super-2 number, since 2×57049319² = 6509249596727522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57049313) 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, 28524659 + 28524660.

It is an arithmetic number, because the mean of its divisors is an integer number (28524660).

Almost surely, 2^57049319 is an apocalyptic number.

57049319 is a deficient number, since it is larger than the sum of its proper divisors (1).

57049319 is an equidigital number, since it uses as much as digits as its factorization.

57049319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 57049319 is about 7553.0999596192. The cubic root of 57049319 is about 384.9610777541.

The spelling of 57049319 in words is "fifty-seven million, forty-nine thousand, three hundred nineteen".