57828311 has 2 divisors, whose sum is σ = 57828312. Its totient is φ = 57828310.

The previous prime is 57828269. The next prime is 57828313. The reversal of 57828311 is 11382875.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57828311 is a prime.

It is a super-2 number, since 2×57828311² = 6688227106225442, which contains 22 as substring.

Together with 57828313, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_3440789 and since 57828311 and 3440789 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57828313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28914155 + 28914156.

It is an arithmetic number, because the mean of its divisors is an integer number (28914156).

Almost surely, 2^57828311 is an apocalyptic number.

57828311 is a deficient number, since it is larger than the sum of its proper divisors (1).

57828311 is an equidigital number, since it uses as much as digits as its factorization.

57828311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 35.

The square root of 57828311 is about 7604.4928167498. The cubic root of 57828311 is about 386.7053400511.

The spelling of 57828311 in words is "fifty-seven million, eight hundred twenty-eight thousand, three hundred eleven".