57424109 has 4 divisors (see below), whose sum is σ = 57459420. Its totient is φ = 57388800.

The previous prime is 57424093. The next prime is 57424117. The reversal of 57424109 is 90142475.

It is a happy number.

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 3988009 + 53436100 = 1997^2 + 7310^2 .

It is a cyclic number.

It is not a de Polignac number, because 57424109 - 2⁴ = 57424093 is a prime.

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 (57424189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15092 + ... + 18509.

It is an arithmetic number, because the mean of its divisors is an integer number (14364855).

Almost surely, 2^57424109 is an apocalyptic number.

It is an amenable number.

57424109 is a deficient number, since it is larger than the sum of its proper divisors (35311).

57424109 is a wasteful number, since it uses less digits than its factorization.

57424109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35310.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 57424109 is about 7577.8696874517. The cubic root of 57424109 is about 385.8022491066.

The spelling of 57424109 in words is "fifty-seven million, four hundred twenty-four thousand, one hundred nine".