57565133 has 2 divisors, whose sum is σ = 57565134. Its totient is φ = 57565132.

The previous prime is 57565121. The next prime is 57565141. The reversal of 57565133 is 33156575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53553124 + 4012009 = 7318^2 + 2003^2 .

It is a cyclic number.

It is not a de Polignac number, because 57565133 - 2⁶ = 57565069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57565093 and 57565102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57565103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28782566 + 28782567.

It is an arithmetic number, because the mean of its divisors is an integer number (28782567).

Almost surely, 2^57565133 is an apocalyptic number.

It is an amenable number.

57565133 is a deficient number, since it is larger than the sum of its proper divisors (1).

57565133 is an equidigital number, since it uses as much as digits as its factorization.

57565133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47250, while the sum is 35.

The square root of 57565133 is about 7587.1689713621. The cubic root of 57565133 is about 386.1178128395.

The spelling of 57565133 in words is "fifty-seven million, five hundred sixty-five thousand, one hundred thirty-three".