57550752 has 72 divisors (see below), whose sum is σ = 187046496. Its totient is φ = 16442496.

The previous prime is 57550751. The next prime is 57550793. The reversal of 57550752 is 25705575.

57550752 is a `hidden beast` number, since 57 + 550 + 7 + 52 = 666.

57550752 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 (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (57550751) 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 11 ways as a sum of consecutive naturals, for example, 12258 + ... + 16289.

It is an arithmetic number, because the mean of its divisors is an integer number (2597868).

Almost surely, 2^57550752 is an apocalyptic number.

It is an amenable number.

57550752 is an abundant number, since it is smaller than the sum of its proper divisors (129495744).

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

57550752 is a wasteful number, since it uses less digits than its factorization.

57550752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28570 (or 28559 counting only the distinct ones).

The product of its (nonzero) digits is 61250, while the sum is 36.

The square root of 57550752 is about 7586.2211937169. The cubic root of 57550752 is about 386.0856566687.

The spelling of 57550752 in words is "fifty-seven million, five hundred fifty thousand, seven hundred fifty-two".