57728003 has 2 divisors, whose sum is σ = 57728004. Its totient is φ = 57728002.

The previous prime is 57727997. The next prime is 57728053. The reversal of 57728003 is 30082775.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57728003 - 2⁴ = 57727987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (57728053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28864001 + 28864002.

It is an arithmetic number, because the mean of its divisors is an integer number (28864002).

Almost surely, 2^57728003 is an apocalyptic number.

57728003 is a deficient number, since it is larger than the sum of its proper divisors (1).

57728003 is an equidigital number, since it uses as much as digits as its factorization.

57728003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 57728003 is about 7597.8946425967. The cubic root of 57728003 is about 386.4816198227.

The spelling of 57728003 in words is "fifty-seven million, seven hundred twenty-eight thousand, three".