57545071 has 2 divisors, whose sum is σ = 57545072. Its totient is φ = 57545070.

The previous prime is 57545009. The next prime is 57545087. The reversal of 57545071 is 17054575.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57545071 - 2²¹ = 55447919 is a prime.

It is a super-2 number, since 2×57545071² = 6622870392790082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57545671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28772535 + 28772536.

It is an arithmetic number, because the mean of its divisors is an integer number (28772536).

Almost surely, 2^57545071 is an apocalyptic number.

57545071 is a deficient number, since it is larger than the sum of its proper divisors (1).

57545071 is an equidigital number, since it uses as much as digits as its factorization.

57545071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 57545071 is about 7585.8467556364. The cubic root of 57545071 is about 386.0729523761.

The spelling of 57545071 in words is "fifty-seven million, five hundred forty-five thousand, seventy-one".