57424069 has 4 divisors (see below), whose sum is σ = 58507596. Its totient is φ = 56340544.

The previous prime is 57424033. The next prime is 57424091. The reversal of 57424069 is 96042475.

57424069 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 48650625 + 8773444 = 6975^2 + 2962^2 .

It is a cyclic number.

It is not a de Polignac number, because 57424069 - 2¹¹ = 57422021 is a prime.

It is a super-2 number, since 2×57424069² = 6595047401033522, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57494069) 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, 541684 + ... + 541789.

It is an arithmetic number, because the mean of its divisors is an integer number (14626899).

Almost surely, 2^57424069 is an apocalyptic number.

It is an amenable number.

57424069 is a deficient number, since it is larger than the sum of its proper divisors (1083527).

57424069 is a wasteful number, since it uses less digits than its factorization.

57424069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083526.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 57424069 is about 7577.8670481871. The cubic root of 57424069 is about 385.8021595270.

The spelling of 57424069 in words is "fifty-seven million, four hundred twenty-four thousand, sixty-nine".