57929293 has 2 divisors, whose sum is σ = 57929294. Its totient is φ = 57929292.

The previous prime is 57929281. The next prime is 57929329. The reversal of 57929293 is 39292975.

Together with next prime (57929329) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56520324 + 1408969 = 7518^2 + 1187^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57929293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57929243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28964646 + 28964647.

It is an arithmetic number, because the mean of its divisors is an integer number (28964647).

Almost surely, 2^57929293 is an apocalyptic number.

It is an amenable number.

57929293 is a deficient number, since it is larger than the sum of its proper divisors (1).

57929293 is an equidigital number, since it uses as much as digits as its factorization.

57929293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306180, while the sum is 46.

The square root of 57929293 is about 7611.1295482340. The cubic root of 57929293 is about 386.9303023556.

The spelling of 57929293 in words is "fifty-seven million, nine hundred twenty-nine thousand, two hundred ninety-three".