57255776 has 24 divisors (see below), whose sum is σ = 115123680. Its totient is φ = 28018048.

The previous prime is 57255769. The next prime is 57255787. The reversal of 57255776 is 67755275.

It is a happy number.

57255776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 17531 + ... + 20538.

It is an arithmetic number, because the mean of its divisors is an integer number (4796820).

Almost surely, 2^57255776 is an apocalyptic number.

It is an amenable number.

57255776 is an abundant number, since it is smaller than the sum of its proper divisors (57867904).

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

57255776 is a wasteful number, since it uses less digits than its factorization.

57255776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38126 (or 38118 counting only the distinct ones).

The product of its digits is 514500, while the sum is 44.

The square root of 57255776 is about 7566.7546544077. The cubic root of 57255776 is about 385.4248999822.

The spelling of 57255776 in words is "fifty-seven million, two hundred fifty-five thousand, seven hundred seventy-six".