57031345727266 has 16 divisors (see below), whose sum is σ = 85599117461880. Its totient is φ = 28498308278400.

The previous prime is 57031345727197. The next prime is 57031345727329. The reversal of 57031345727266 is 66272754313075.

It can be written as a sum of positive squares in 4 ways, for example, as 15971380809241 + 41059964918025 = 3996421^2 + 6407805^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57031345727266.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68155420 + ... + 68987128.

Almost surely, 2^{57031345727266} is an apocalyptic number.

57031345727266 is a deficient number, since it is larger than the sum of its proper divisors (28567771734614).

57031345727266 is a wasteful number, since it uses less digits than its factorization.

57031345727266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852549.

The product of its (nonzero) digits is 44452800, while the sum is 58.

The spelling of 57031345727266 in words is "fifty-seven trillion, thirty-one billion, three hundred forty-five million, seven hundred twenty-seven thousand, two hundred sixty-six".