57328611 has 4 divisors (see below), whose sum is σ = 76438152. Its totient is φ = 38219072.

The previous prime is 57328597. The next prime is 57328631. The reversal of 57328611 is 11682375.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57328611 - 2¹⁹ = 56804323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57328631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9554766 + ... + 9554771.

It is an arithmetic number, because the mean of its divisors is an integer number (19109538).

Almost surely, 2^57328611 is an apocalyptic number.

57328611 is a deficient number, since it is larger than the sum of its proper divisors (19109541).

57328611 is a wasteful number, since it uses less digits than its factorization.

57328611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19109540.

The product of its digits is 10080, while the sum is 33.

The square root of 57328611 is about 7571.5659542792. The cubic root of 57328611 is about 385.5882635723.

The spelling of 57328611 in words is "fifty-seven million, three hundred twenty-eight thousand, six hundred eleven".