57906829 has 2 divisors, whose sum is σ = 57906830. Its totient is φ = 57906828.

The previous prime is 57906809. The next prime is 57906833. The reversal of 57906829 is 92860975.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50055625 + 7851204 = 7075^2 + 2802^2 .

It is a cyclic number.

It is not a de Polignac number, because 57906829 - 2¹³ = 57898637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57906809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28953414 + 28953415.

It is an arithmetic number, because the mean of its divisors is an integer number (28953415).

Almost surely, 2^57906829 is an apocalyptic number.

It is an amenable number.

57906829 is a deficient number, since it is larger than the sum of its proper divisors (1).

57906829 is an equidigital number, since it uses as much as digits as its factorization.

57906829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 57906829 is about 7609.6536714886. The cubic root of 57906829 is about 386.8802808803.

The spelling of 57906829 in words is "fifty-seven million, nine hundred six thousand, eight hundred twenty-nine".