57687266 has 32 divisors (see below), whose sum is σ = 111138048. Its totient is φ = 21827520.

The previous prime is 57687251. The next prime is 57687271. The reversal of 57687266 is 66278675.

57687266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 57687266.

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 15 ways as a sum of consecutive naturals, for example, 2705 + ... + 11076.

It is an arithmetic number, because the mean of its divisors is an integer number (3473064).

Almost surely, 2^57687266 is an apocalyptic number.

57687266 is a deficient number, since it is larger than the sum of its proper divisors (53450782).

57687266 is a wasteful number, since it uses less digits than its factorization.

57687266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13826.

The product of its digits is 846720, while the sum is 47.

The square root of 57687266 is about 7595.2133610584. The cubic root of 57687266 is about 386.3906887565.

The spelling of 57687266 in words is "fifty-seven million, six hundred eighty-seven thousand, two hundred sixty-six".