57248161 has 2 divisors, whose sum is σ = 57248162. Its totient is φ = 57248160.

The previous prime is 57248153. The next prime is 57248167. The reversal of 57248161 is 16184275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43230625 + 14017536 = 6575^2 + 3744^2 .

It is a cyclic number.

It is not a de Polignac number, because 57248161 - 2³ = 57248153 is a prime.

It is not a weakly prime, because it can be changed into another prime (57248167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28624080 + 28624081.

It is an arithmetic number, because the mean of its divisors is an integer number (28624081).

Almost surely, 2^57248161 is an apocalyptic number.

It is an amenable number.

57248161 is a deficient number, since it is larger than the sum of its proper divisors (1).

57248161 is an equidigital number, since it uses as much as digits as its factorization.

57248161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 34.

The square root of 57248161 is about 7566.2514496942. The cubic root of 57248161 is about 385.4078120949.

The spelling of 57248161 in words is "fifty-seven million, two hundred forty-eight thousand, one hundred sixty-one".