57507071 has 2 divisors, whose sum is σ = 57507072. Its totient is φ = 57507070.

The previous prime is 57507049. The next prime is 57507097. The reversal of 57507071 is 17070575.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57507071 - 2¹⁰ = 57506047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57507001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28753535 + 28753536.

It is an arithmetic number, because the mean of its divisors is an integer number (28753536).

Almost surely, 2^57507071 is an apocalyptic number.

57507071 is a deficient number, since it is larger than the sum of its proper divisors (1).

57507071 is an equidigital number, since it uses as much as digits as its factorization.

57507071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8575, while the sum is 32.

The square root of 57507071 is about 7583.3416776511. The cubic root of 57507071 is about 385.9879523207.

It can be divided in two parts, 5750 and 7071, that added together give a palindrome (12821).

The spelling of 57507071 in words is "fifty-seven million, five hundred seven thousand, seventy-one".