57447013706 has 4 divisors (see below), whose sum is σ = 86170520562. Its totient is φ = 28723506852.

The previous prime is 57447013669. The next prime is 57447013733. The reversal of 57447013706 is 60731074475.

57447013706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 56910396481 + 536617225 = 238559^2 + 23165^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14361753425 + ... + 14361753428.

Almost surely, 2^57447013706 is an apocalyptic number.

57447013706 is a deficient number, since it is larger than the sum of its proper divisors (28723506856).

57447013706 is a wasteful number, since it uses less digits than its factorization.

57447013706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28723506855.

The product of its (nonzero) digits is 493920, while the sum is 44.

The spelling of 57447013706 in words is "fifty-seven billion, four hundred forty-seven million, thirteen thousand, seven hundred six".