57508216 has 24 divisors (see below), whose sum is σ = 108904320. Its totient is φ = 28469696.

The previous prime is 57508207. The next prime is 57508219. The reversal of 57508216 is 61280575.

57508216 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 not an unprimeable number, because it can be changed into a prime (57508219) 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 5 ways as a sum of consecutive naturals, for example, 149961 + ... + 150343.

It is an arithmetic number, because the mean of its divisors is an integer number (4537680).

Almost surely, 2^57508216 is an apocalyptic number.

It is an amenable number.

57508216 is a deficient number, since it is larger than the sum of its proper divisors (51396104).

57508216 is a wasteful number, since it uses less digits than its factorization.

57508216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 57508216 is about 7583.4171716977. The cubic root of 57508216 is about 385.9905140536.

The spelling of 57508216 in words is "fifty-seven million, five hundred eight thousand, two hundred sixteen".