57460321 has 4 divisors (see below), whose sum is σ = 58544532. Its totient is φ = 56376112.

The previous prime is 57460309. The next prime is 57460373. The reversal of 57460321 is 12306475.

57460321 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 44957025 + 12503296 = 6705^2 + 3536^2 .

It is a cyclic number.

It is not a de Polignac number, because 57460321 - 2¹⁷ = 57329249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57460321.

It is not an unprimeable number, because it can be changed into a prime (57460021) 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, 542026 + ... + 542131.

It is an arithmetic number, because the mean of its divisors is an integer number (14636133).

Almost surely, 2^57460321 is an apocalyptic number.

It is an amenable number.

57460321 is a deficient number, since it is larger than the sum of its proper divisors (1084211).

57460321 is a wasteful number, since it uses less digits than its factorization.

57460321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084210.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 57460321 is about 7580.2586367485. The cubic root of 57460321 is about 385.8833284979.

Adding to 57460321 its reverse (12306475), we get a palindrome (69766796).

The spelling of 57460321 in words is "fifty-seven million, four hundred sixty thousand, three hundred twenty-one".