57040574126717 has 4 divisors (see below), whose sum is σ = 57069137260476. Its totient is φ = 57012010992960.

The previous prime is 57040574126687. The next prime is 57040574126741. The reversal of 57040574126717 is 71762147504075.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28383545519641 + 28657028607076 = 5327621^2 + 5353226^2 .

It is a cyclic number.

It is not a de Polignac number, because 57040574126717 - 2¹² = 57040574122621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57040574326717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14281563884 + ... + 14281567877.

It is an arithmetic number, because the mean of its divisors is an integer number (14267284315119).

Almost surely, 2^{57040574126717} is an apocalyptic number.

It is an amenable number.

57040574126717 is a deficient number, since it is larger than the sum of its proper divisors (28563133759).

57040574126717 is a wasteful number, since it uses less digits than its factorization.

57040574126717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28563133758.

The product of its (nonzero) digits is 11524800, while the sum is 56.

The spelling of 57040574126717 in words is "fifty-seven trillion, forty billion, five hundred seventy-four million, one hundred twenty-six thousand, seven hundred seventeen".