57269647 has 2 divisors, whose sum is σ = 57269648. Its totient is φ = 57269646.

The previous prime is 57269633. The next prime is 57269659. The reversal of 57269647 is 74696275.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57269647 - 2¹¹ = 57267599 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 57269597 and 57269606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57269677) 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, 28634823 + 28634824.

It is an arithmetic number, because the mean of its divisors is an integer number (28634824).

Almost surely, 2^57269647 is an apocalyptic number.

57269647 is a deficient number, since it is larger than the sum of its proper divisors (1).

57269647 is an equidigital number, since it uses as much as digits as its factorization.

57269647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 46.

The square root of 57269647 is about 7567.6711741460. The cubic root of 57269647 is about 385.4560222985.

The spelling of 57269647 in words is "fifty-seven million, two hundred sixty-nine thousand, six hundred forty-seven".