57448511 has 2 divisors, whose sum is σ = 57448512. Its totient is φ = 57448510.

The previous prime is 57448493. The next prime is 57448513. The reversal of 57448511 is 11584475.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57448511 is a prime.

It is a super-2 number, since 2×57448511² = 6600662832234242, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 57448513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57448513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28724255 + 28724256.

It is an arithmetic number, because the mean of its divisors is an integer number (28724256).

Almost surely, 2^57448511 is an apocalyptic number.

57448511 is a deficient number, since it is larger than the sum of its proper divisors (1).

57448511 is an equidigital number, since it uses as much as digits as its factorization.

57448511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22400, while the sum is 35.

The square root of 57448511 is about 7579.4795995504. The cubic root of 57448511 is about 385.8568894162.

The spelling of 57448511 in words is "fifty-seven million, four hundred forty-eight thousand, five hundred eleven".