57280327 has 32 divisors (see below), whose sum is σ = 69672960. Its totient is φ = 46548480.

The previous prime is 57280313. The next prime is 57280339. The reversal of 57280327 is 72308275.

57280327 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57280327 is a prime.

It is a super-2 number, since 2×57280327² = 6562071722453858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57280292 and 57280301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57280387) 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 31 ways as a sum of consecutive naturals, for example, 299802 + ... + 299992.

It is an arithmetic number, because the mean of its divisors is an integer number (2177280).

Almost surely, 2^57280327 is an apocalyptic number.

57280327 is a deficient number, since it is larger than the sum of its proper divisors (12392633).

57280327 is a wasteful number, since it uses less digits than its factorization.

57280327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 57280327 is about 7568.3767744477. The cubic root of 57280327 is about 385.4799815548.

The spelling of 57280327 in words is "fifty-seven million, two hundred eighty thousand, three hundred twenty-seven".