57732113 has 2 divisors, whose sum is σ = 57732114. Its totient is φ = 57732112.

The previous prime is 57732109. The next prime is 57732131. The reversal of 57732113 is 31123775.

Together with next prime (57732131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48539089 + 9193024 = 6967^2 + 3032^2 .

It is a cyclic number.

It is not a de Polignac number, because 57732113 - 2² = 57732109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (57732133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28866056 + 28866057.

It is an arithmetic number, because the mean of its divisors is an integer number (28866057).

Almost surely, 2^57732113 is an apocalyptic number.

It is an amenable number.

57732113 is a deficient number, since it is larger than the sum of its proper divisors (1).

57732113 is an equidigital number, since it uses as much as digits as its factorization.

57732113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4410, while the sum is 29.

The square root of 57732113 is about 7598.1651074453. The cubic root of 57732113 is about 386.4907915804.

Adding to 57732113 its reverse (31123775), we get a palindrome (88855888).

The spelling of 57732113 in words is "fifty-seven million, seven hundred thirty-two thousand, one hundred thirteen".