57328079 has 4 divisors (see below), whose sum is σ = 57693384. Its totient is φ = 56962776.

The previous prime is 57328069. The next prime is 57328093. The reversal of 57328079 is 97082375.

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-57328079 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 (57328069) 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, 182417 + ... + 182730.

It is an arithmetic number, because the mean of its divisors is an integer number (14423346).

Almost surely, 2^57328079 is an apocalyptic number.

57328079 is a deficient number, since it is larger than the sum of its proper divisors (365305).

57328079 is a wasteful number, since it uses less digits than its factorization.

57328079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365304.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 57328079 is about 7571.5308227597. The cubic root of 57328079 is about 385.5870708369.

The spelling of 57328079 in words is "fifty-seven million, three hundred twenty-eight thousand, seventy-nine".