57828269 has 2 divisors, whose sum is σ = 57828270. Its totient is φ = 57828268.

The previous prime is 57828227. The next prime is 57828311. The reversal of 57828269 is 96282875.

It is a balanced prime because it is at equal distance from previous prime (57828227) and next prime (57828311).

It can be written as a sum of positive squares in only one way, i.e., 46063369 + 11764900 = 6787^2 + 3430^2 .

It is a cyclic number.

It is not a de Polignac number, because 57828269 - 2⁸ = 57828013 is a prime.

It is a super-2 number, since 2×57828269² = 6688217391072722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57828209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28914134 + 28914135.

It is an arithmetic number, because the mean of its divisors is an integer number (28914135).

Almost surely, 2^57828269 is an apocalyptic number.

It is an amenable number.

57828269 is a deficient number, since it is larger than the sum of its proper divisors (1).

57828269 is an equidigital number, since it uses as much as digits as its factorization.

57828269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 47.

The square root of 57828269 is about 7604.4900552240. The cubic root of 57828269 is about 386.7052464313.

The spelling of 57828269 in words is "fifty-seven million, eight hundred twenty-eight thousand, two hundred sixty-nine".