57130757 has 2 divisors, whose sum is σ = 57130758. Its totient is φ = 57130756.

The previous prime is 57130721. The next prime is 57130793. The reversal of 57130757 is 75703175.

It is a balanced prime because it is at equal distance from previous prime (57130721) and next prime (57130793).

It can be written as a sum of positive squares in only one way, i.e., 55145476 + 1985281 = 7426^2 + 1409^2 .

It is a cyclic number.

It is not a de Polignac number, because 57130757 - 2¹⁸ = 56868613 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 (57130657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28565378 + 28565379.

It is an arithmetic number, because the mean of its divisors is an integer number (28565379).

Almost surely, 2^57130757 is an apocalyptic number.

It is an amenable number.

57130757 is a deficient number, since it is larger than the sum of its proper divisors (1).

57130757 is an equidigital number, since it uses as much as digits as its factorization.

57130757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25725, while the sum is 35.

The square root of 57130757 is about 7558.4890685904. The cubic root of 57130757 is about 385.1441681924.

The spelling of 57130757 in words is "fifty-seven million, one hundred thirty thousand, seven hundred fifty-seven".