57303871 has 2 divisors, whose sum is σ = 57303872. Its totient is φ = 57303870.

The previous prime is 57303839. The next prime is 57303877. The reversal of 57303871 is 17830375.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57303871 - 2⁵ = 57303839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57303877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28651935 + 28651936.

It is an arithmetic number, because the mean of its divisors is an integer number (28651936).

Almost surely, 2^57303871 is an apocalyptic number.

57303871 is a deficient number, since it is larger than the sum of its proper divisors (1).

57303871 is an equidigital number, since it uses as much as digits as its factorization.

57303871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 57303871 is about 7569.9320340410. The cubic root of 57303871 is about 385.5327890833.

The spelling of 57303871 in words is "fifty-seven million, three hundred three thousand, eight hundred seventy-one".