57323887 has 2 divisors, whose sum is σ = 57323888. Its totient is φ = 57323886.

The previous prime is 57323839. The next prime is 57323941. The reversal of 57323887 is 78832375.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57323887 - 2¹⁹ = 56799599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57323837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28661943 + 28661944.

It is an arithmetic number, because the mean of its divisors is an integer number (28661944).

Almost surely, 2^57323887 is an apocalyptic number.

57323887 is a deficient number, since it is larger than the sum of its proper divisors (1).

57323887 is an equidigital number, since it uses as much as digits as its factorization.

57323887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 43.

The square root of 57323887 is about 7571.2539912487. The cubic root of 57323887 is about 385.5776721826.

The spelling of 57323887 in words is "fifty-seven million, three hundred twenty-three thousand, eight hundred eighty-seven".