57230320 has 40 divisors (see below), whose sum is σ = 152070624. Its totient is φ = 19621632.

The previous prime is 57230281. The next prime is 57230323. The reversal of 57230320 is 2303275.

It is a happy number.

57230320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 57230291 and 57230300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57230323) 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 7 ways as a sum of consecutive naturals, for example, 50539 + ... + 51658.

Almost surely, 2^57230320 is an apocalyptic number.

It is an amenable number.

57230320 is an abundant number, since it is smaller than the sum of its proper divisors (94840304).

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

57230320 is a wasteful number, since it uses less digits than its factorization.

57230320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102217 (or 102211 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 57230320 is about 7565.0723724231. The cubic root of 57230320 is about 385.3677713607.

Adding to 57230320 its reverse (2303275), we get a palindrome (59533595).

The spelling of 57230320 in words is "fifty-seven million, two hundred thirty thousand, three hundred twenty".