57078941 has 2 divisors, whose sum is σ = 57078942. Its totient is φ = 57078940.

The previous prime is 57078913. The next prime is 57078947. The reversal of 57078941 is 14987075.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53963716 + 3115225 = 7346^2 + 1765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57078941 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 (57078947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28539470 + 28539471.

It is an arithmetic number, because the mean of its divisors is an integer number (28539471).

Almost surely, 2^57078941 is an apocalyptic number.

It is an amenable number.

57078941 is a deficient number, since it is larger than the sum of its proper divisors (1).

57078941 is an equidigital number, since it uses as much as digits as its factorization.

57078941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 57078941 is about 7555.0606218613. The cubic root of 57078941 is about 385.0276946401.

The spelling of 57078941 in words is "fifty-seven million, seventy-eight thousand, nine hundred forty-one".