57427816 has 8 divisors (see below), whose sum is σ = 107677170. Its totient is φ = 28713904.

The previous prime is 57427813. The next prime is 57427817. The reversal of 57427816 is 61872475.

57427816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 48246916 + 9180900 = 6946^2 + 3030^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (57427813) 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 as a sum of consecutive naturals, namely, 3589231 + ... + 3589246.

Almost surely, 2^57427816 is an apocalyptic number.

It is an amenable number.

57427816 is a deficient number, since it is larger than the sum of its proper divisors (50249354).

57427816 is a wasteful number, since it uses less digits than its factorization.

57427816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7178483 (or 7178479 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 57427816 is about 7578.1142773120. The cubic root of 57427816 is about 385.8105507195.

The spelling of 57427816 in words is "fifty-seven million, four hundred twenty-seven thousand, eight hundred sixteen".