57293429 has 2 divisors, whose sum is σ = 57293430. Its totient is φ = 57293428.

The previous prime is 57293413. The next prime is 57293443. The reversal of 57293429 is 92439275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45252529 + 12040900 = 6727^2 + 3470^2 .

It is a cyclic number.

It is not a de Polignac number, because 57293429 - 2⁴ = 57293413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57293449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28646714 + 28646715.

It is an arithmetic number, because the mean of its divisors is an integer number (28646715).

Almost surely, 2^57293429 is an apocalyptic number.

It is an amenable number.

57293429 is a deficient number, since it is larger than the sum of its proper divisors (1).

57293429 is an equidigital number, since it uses as much as digits as its factorization.

57293429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 41.

The square root of 57293429 is about 7569.2423002570. The cubic root of 57293429 is about 385.5093702004.

The spelling of 57293429 in words is "fifty-seven million, two hundred ninety-three thousand, four hundred twenty-nine".