57050385 has 64 divisors (see below), whose sum is σ = 114130944. Its totient is φ = 23731200.

The previous prime is 57050381. The next prime is 57050387. The reversal of 57050385 is 58305075.

It is not a de Polignac number, because 57050385 - 2² = 57050381 is a prime.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (57050381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54820 + ... + 55850.

It is an arithmetic number, because the mean of its divisors is an integer number (1783296).

Almost surely, 2^57050385 is an apocalyptic number.

It is an amenable number.

57050385 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

57050385 is a wasteful number, since it uses less digits than its factorization.

57050385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 57050385 is about 7553.1705263419. The cubic root of 57050385 is about 384.9634754804.

The spelling of 57050385 in words is "fifty-seven million, fifty thousand, three hundred eighty-five".