57245077 has 2 divisors, whose sum is σ = 57245078. Its totient is φ = 57245076.

The previous prime is 57245057. The next prime is 57245113. The reversal of 57245077 is 77054275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55145476 + 2099601 = 7426^2 + 1449^2 .

It is a cyclic number.

It is not a de Polignac number, because 57245077 - 2⁷ = 57244949 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57245047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28622538 + 28622539.

It is an arithmetic number, because the mean of its divisors is an integer number (28622539).

Almost surely, 2^57245077 is an apocalyptic number.

It is an amenable number.

57245077 is a deficient number, since it is larger than the sum of its proper divisors (1).

57245077 is an equidigital number, since it uses as much as digits as its factorization.

57245077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68600, while the sum is 37.

The square root of 57245077 is about 7566.0476472198. The cubic root of 57245077 is about 385.4008912378.

It can be divided in two parts, 5724 and 5077, that added together give a palindrome (10801).

The spelling of 57245077 in words is "fifty-seven million, two hundred forty-five thousand, seventy-seven".