57857441 has 2 divisors, whose sum is σ = 57857442. Its totient is φ = 57857440.

The previous prime is 57857431. The next prime is 57857447. The reversal of 57857441 is 14475875.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50410000 + 7447441 = 7100^2 + 2729^2 .

It is a cyclic number.

It is not a de Polignac number, because 57857441 - 2¹⁰ = 57856417 is a prime.

It is not a weakly prime, because it can be changed into another prime (57857447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28928720 + 28928721.

It is an arithmetic number, because the mean of its divisors is an integer number (28928721).

Almost surely, 2^57857441 is an apocalyptic number.

It is an amenable number.

57857441 is a deficient number, since it is larger than the sum of its proper divisors (1).

57857441 is an equidigital number, since it uses as much as digits as its factorization.

57857441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 156800, while the sum is 41.

The square root of 57857441 is about 7606.4078907195. The cubic root of 57857441 is about 386.7702611680.

The spelling of 57857441 in words is "fifty-seven million, eight hundred fifty-seven thousand, four hundred forty-one".