57438571 has 2 divisors, whose sum is σ = 57438572. Its totient is φ = 57438570.

The previous prime is 57438569. The next prime is 57438593. The reversal of 57438571 is 17583475.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57438571 - 2¹ = 57438569 is a prime.

Together with 57438569, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (57438551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28719285 + 28719286.

It is an arithmetic number, because the mean of its divisors is an integer number (28719286).

Almost surely, 2^57438571 is an apocalyptic number.

57438571 is a deficient number, since it is larger than the sum of its proper divisors (1).

57438571 is an equidigital number, since it uses as much as digits as its factorization.

57438571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117600, while the sum is 40.

The square root of 57438571 is about 7578.8238533429. The cubic root of 57438571 is about 385.8346339005.

The spelling of 57438571 in words is "fifty-seven million, four hundred thirty-eight thousand, five hundred seventy-one".