57838829 has 2 divisors, whose sum is σ = 57838830. Its totient is φ = 57838828.

The previous prime is 57838817. The next prime is 57838843. The reversal of 57838829 is 92883875.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52954729 + 4884100 = 7277^2 + 2210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57838829 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57838129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28919414 + 28919415.

It is an arithmetic number, because the mean of its divisors is an integer number (28919415).

Almost surely, 2^57838829 is an apocalyptic number.

It is an amenable number.

57838829 is a deficient number, since it is larger than the sum of its proper divisors (1).

57838829 is an equidigital number, since it uses as much as digits as its factorization.

57838829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 50.

The square root of 57838829 is about 7605.1843501654. The cubic root of 57838829 is about 386.7287837020.

The spelling of 57838829 in words is "fifty-seven million, eight hundred thirty-eight thousand, eight hundred twenty-nine".