57328735 has 4 divisors (see below), whose sum is σ = 68794488. Its totient is φ = 45862984.

The previous prime is 57328723. The next prime is 57328759. The reversal of 57328735 is 53782375.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57328735 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5732869 + ... + 5732878.

It is an arithmetic number, because the mean of its divisors is an integer number (17198622).

Almost surely, 2^57328735 is an apocalyptic number.

57328735 is a deficient number, since it is larger than the sum of its proper divisors (11465753).

57328735 is a wasteful number, since it uses less digits than its factorization.

57328735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11465752.

The product of its digits is 176400, while the sum is 40.

The square root of 57328735 is about 7571.5741428054. The cubic root of 57328735 is about 385.5885415773.

The spelling of 57328735 in words is "fifty-seven million, three hundred twenty-eight thousand, seven hundred thirty-five".