57245791 has 2 divisors, whose sum is σ = 57245792. Its totient is φ = 57245790.

The previous prime is 57245759. The next prime is 57245801. The reversal of 57245791 is 19754275.

57245791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57245791 - 2⁵ = 57245759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57245701) 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, 28622895 + 28622896.

It is an arithmetic number, because the mean of its divisors is an integer number (28622896).

Almost surely, 2^57245791 is an apocalyptic number.

57245791 is a deficient number, since it is larger than the sum of its proper divisors (1).

57245791 is an equidigital number, since it uses as much as digits as its factorization.

57245791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88200, while the sum is 40.

The square root of 57245791 is about 7566.0948315495. The cubic root of 57245791 is about 385.4024935595.

The spelling of 57245791 in words is "fifty-seven million, two hundred forty-five thousand, seven hundred ninety-one".