57382021 has 8 divisors (see below), whose sum is σ = 61349184. Its totient is φ = 53480640.

The previous prime is 57382019. The next prime is 57382027. The reversal of 57382021 is 12028375.

57382021 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 not a de Polignac number, because 57382021 - 2¹ = 57382019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57382027) 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, 14635 + ... + 18136.

It is an arithmetic number, because the mean of its divisors is an integer number (7668648).

Almost surely, 2^57382021 is an apocalyptic number.

It is an amenable number.

57382021 is a deficient number, since it is larger than the sum of its proper divisors (3967163).

57382021 is a wasteful number, since it uses less digits than its factorization.

57382021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32891.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 57382021 is about 7575.0921446541. The cubic root of 57382021 is about 385.7079703911.

The spelling of 57382021 in words is "fifty-seven million, three hundred eighty-two thousand, twenty-one".