57246387 has 8 divisors (see below), whose sum is σ = 83267520. Its totient is φ = 34694760.

The previous prime is 57246353. The next prime is 57246389. The reversal of 57246387 is 78364275.

57246387 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 57246387 - 2¹¹ = 57244339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57246389) 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, 867337 + ... + 867402.

It is an arithmetic number, because the mean of its divisors is an integer number (10408440).

Almost surely, 2^57246387 is an apocalyptic number.

57246387 is a deficient number, since it is larger than the sum of its proper divisors (26021133).

57246387 is a wasteful number, since it uses less digits than its factorization.

57246387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734753.

The product of its digits is 282240, while the sum is 42.

The square root of 57246387 is about 7566.1342176834. The cubic root of 57246387 is about 385.4038310615.

The spelling of 57246387 in words is "fifty-seven million, two hundred forty-six thousand, three hundred eighty-seven".