57328810 has 32 divisors (see below), whose sum is σ = 128656512. Its totient is φ = 17868480.

The previous prime is 57328771. The next prime is 57328813. The reversal of 57328810 is 1882375.

57328810 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×57328810² = 6573184912032200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57328813) 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 15 ways as a sum of consecutive naturals, for example, 36457 + ... + 37996.

It is an arithmetic number, because the mean of its divisors is an integer number (4020516).

Almost surely, 2^57328810 is an apocalyptic number.

57328810 is an abundant number, since it is smaller than the sum of its proper divisors (71327702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57328810 is a wasteful number, since it uses less digits than its factorization.

57328810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74478.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 57328810 is about 7571.5790955388. The cubic root of 57328810 is about 385.5887097252.

The spelling of 57328810 in words is "fifty-seven million, three hundred twenty-eight thousand, eight hundred ten".