57071432527 has 2 divisors, whose sum is σ = 57071432528. Its totient is φ = 57071432526.

The previous prime is 57071432521. The next prime is 57071432573. The reversal of 57071432527 is 72523417075.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57071432527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57071432521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28535716263 + 28535716264.

It is an arithmetic number, because the mean of its divisors is an integer number (28535716264).

Almost surely, 2^57071432527 is an apocalyptic number.

57071432527 is a deficient number, since it is larger than the sum of its proper divisors (1).

57071432527 is an equidigital number, since it uses as much as digits as its factorization.

57071432527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 411600, while the sum is 43.

The spelling of 57071432527 in words is "fifty-seven billion, seventy-one million, four hundred thirty-two thousand, five hundred twenty-seven".