57394619 has 2 divisors, whose sum is σ = 57394620. Its totient is φ = 57394618.

The previous prime is 57394613. The next prime is 57394663. The reversal of 57394619 is 91649375.

It is an a-pointer prime, because the next prime (57394663) can be obtained adding 57394619 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57394619 is a prime.

It is a super-2 number, since 2×57394619² = 6588284580310322, which contains 22 as substring.

It is a Sophie Germain prime.

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 57394619.

It is not a weakly prime, because it can be changed into another prime (57394613) 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, 28697309 + 28697310.

It is an arithmetic number, because the mean of its divisors is an integer number (28697310).

Almost surely, 2^57394619 is an apocalyptic number.

57394619 is a deficient number, since it is larger than the sum of its proper divisors (1).

57394619 is an equidigital number, since it uses as much as digits as its factorization.

57394619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 44.

The square root of 57394619 is about 7575.9236400587. The cubic root of 57394619 is about 385.7361952216.

The spelling of 57394619 in words is "fifty-seven million, three hundred ninety-four thousand, six hundred nineteen".