57209029 has 4 divisors (see below), whose sum is σ = 60574284. Its totient is φ = 53843776.

The previous prime is 57209021. The next prime is 57209039. The reversal of 57209029 is 92090275.

57209029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53217025 + 3992004 = 7295^2 + 1998^2 .

It is a cyclic number.

It is not a de Polignac number, because 57209029 - 2³ = 57209021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57208985 and 57209003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57209021) 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 3 ways as a sum of consecutive naturals, for example, 1682602 + ... + 1682635.

It is an arithmetic number, because the mean of its divisors is an integer number (15143571).

Almost surely, 2^57209029 is an apocalyptic number.

It is an amenable number.

57209029 is a deficient number, since it is larger than the sum of its proper divisors (3365255).

57209029 is a wasteful number, since it uses less digits than its factorization.

57209029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3365254.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 57209029 is about 7563.6650507542. The cubic root of 57209029 is about 385.3199768648.

The spelling of 57209029 in words is "fifty-seven million, two hundred nine thousand, twenty-nine".