57445067 has 2 divisors, whose sum is σ = 57445068. Its totient is φ = 57445066.

The previous prime is 57445039. The next prime is 57445093. The reversal of 57445067 is 76054475.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57445067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57445067.

It is not a weakly prime, because it can be changed into another prime (57445097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28722533 + 28722534.

It is an arithmetic number, because the mean of its divisors is an integer number (28722534).

Almost surely, 2^57445067 is an apocalyptic number.

57445067 is a deficient number, since it is larger than the sum of its proper divisors (1).

57445067 is an equidigital number, since it uses as much as digits as its factorization.

57445067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 57445067 is about 7579.2524037665. The cubic root of 57445067 is about 385.8491786408.

The spelling of 57445067 in words is "fifty-seven million, four hundred forty-five thousand, sixty-seven".