57882721 has 8 divisors (see below), whose sum is σ = 65616320. Its totient is φ = 50617872.

The previous prime is 57882719. The next prime is 57882733. The reversal of 57882721 is 12728875.

57882721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57882721 - 2¹ = 57882719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57882761) 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 7 ways as a sum of consecutive naturals, for example, 116925 + ... + 117418.

It is an arithmetic number, because the mean of its divisors is an integer number (8202040).

Almost surely, 2^57882721 is an apocalyptic number.

It is an amenable number.

57882721 is a deficient number, since it is larger than the sum of its proper divisors (7733599).

57882721 is a wasteful number, since it uses less digits than its factorization.

57882721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234375.

The product of its digits is 62720, while the sum is 40.

The square root of 57882721 is about 7608.0694660341. The cubic root of 57882721 is about 386.8265842518.

The spelling of 57882721 in words is "fifty-seven million, eight hundred eighty-two thousand, seven hundred twenty-one".