57552320 has 56 divisors (see below), whose sum is σ = 156630624. Its totient is φ = 19731456.

The previous prime is 57552277. The next prime is 57552343. The reversal of 57552320 is 2325575.

57552320 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 (56).

It is a congruent number.

It is an unprimeable number.

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, 10607 + ... + 15086.

Almost surely, 2^57552320 is an apocalyptic number.

It is an amenable number.

57552320 is an abundant number, since it is smaller than the sum of its proper divisors (99078304).

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

57552320 is a wasteful number, since it uses less digits than its factorization.

57552320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25717 (or 25707 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 57552320 is about 7586.3245382728. The cubic root of 57552320 is about 386.0891630047.

Adding to 57552320 its reverse (2325575), we get a palindrome (59877895).

The spelling of 57552320 in words is "fifty-seven million, five hundred fifty-two thousand, three hundred twenty".