57239201 has 2 divisors, whose sum is σ = 57239202. Its totient is φ = 57239200.

The previous prime is 57239197. The next prime is 57239209. The reversal of 57239201 is 10293275.

57239201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29149201 + 28090000 = 5399^2 + 5300^2 .

It is a cyclic number.

It is not a de Polignac number, because 57239201 - 2² = 57239197 is a prime.

It is a super-2 number, since 2×57239201² = 6552652262236802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57239209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28619600 + 28619601.

It is an arithmetic number, because the mean of its divisors is an integer number (28619601).

Almost surely, 2^57239201 is an apocalyptic number.

It is an amenable number.

57239201 is a deficient number, since it is larger than the sum of its proper divisors (1).

57239201 is an equidigital number, since it uses as much as digits as its factorization.

57239201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 57239201 is about 7565.6593235487. The cubic root of 57239201 is about 385.3877041176.

The spelling of 57239201 in words is "fifty-seven million, two hundred thirty-nine thousand, two hundred one".