57291429 has 16 divisors (see below), whose sum is σ = 84490112. Its totient is φ = 34302528.

The previous prime is 57291427. The next prime is 57291457. The reversal of 57291429 is 92419275.

57291429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57291429 - 2¹ = 57291427 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57291427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18409 + ... + 21294.

It is an arithmetic number, because the mean of its divisors is an integer number (5280632).

Almost surely, 2^57291429 is an apocalyptic number.

It is an amenable number.

57291429 is a deficient number, since it is larger than the sum of its proper divisors (27198683).

57291429 is a wasteful number, since it uses less digits than its factorization.

57291429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39756.

The product of its digits is 45360, while the sum is 39.

The square root of 57291429 is about 7569.1101854842. The cubic root of 57291429 is about 385.5048843589.

The spelling of 57291429 in words is "fifty-seven million, two hundred ninety-one thousand, four hundred twenty-nine".