57078113 has 2 divisors, whose sum is σ = 57078114. Its totient is φ = 57078112.

The previous prime is 57078089. The next prime is 57078137. The reversal of 57078113 is 31187075.

It is a balanced prime because it is at equal distance from previous prime (57078089) and next prime (57078137).

It can be written as a sum of positive squares in only one way, i.e., 54937744 + 2140369 = 7412^2 + 1463^2 .

It is a cyclic number.

It is not a de Polignac number, because 57078113 - 2¹⁰ = 57077089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57078113.

It is not a weakly prime, because it can be changed into another prime (57078913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28539056 + 28539057.

It is an arithmetic number, because the mean of its divisors is an integer number (28539057).

Almost surely, 2^57078113 is an apocalyptic number.

It is an amenable number.

57078113 is a deficient number, since it is larger than the sum of its proper divisors (1).

57078113 is an equidigital number, since it uses as much as digits as its factorization.

57078113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 57078113 is about 7555.0058239554. The cubic root of 57078113 is about 385.0258328649.

The spelling of 57078113 in words is "fifty-seven million, seventy-eight thousand, one hundred thirteen".