57813011 has 2 divisors, whose sum is σ = 57813012. Its totient is φ = 57813010.

The previous prime is 57812987. The next prime is 57813013. The reversal of 57813011 is 11031875.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57813011 is a prime.

It is a super-2 number, since 2×57813011² = 6684688481772242, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 57813013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57813013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28906505 + 28906506.

It is an arithmetic number, because the mean of its divisors is an integer number (28906506).

Almost surely, 2^57813011 is an apocalyptic number.

57813011 is a deficient number, since it is larger than the sum of its proper divisors (1).

57813011 is an equidigital number, since it uses as much as digits as its factorization.

57813011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 57813011 is about 7603.4867659515. The cubic root of 57813011 is about 386.6712326882.

Adding to 57813011 its reverse (11031875), we get a palindrome (68844886).

The spelling of 57813011 in words is "fifty-seven million, eight hundred thirteen thousand, eleven".