57040736684557 has 8 divisors (see below), whose sum is σ = 57238805768760. Its totient is φ = 56842989404160.

The previous prime is 57040736684543. The next prime is 57040736684573. The reversal of 57040736684557 is 75548663704075.

It can be written as a sum of positive squares in 4 ways, for example, as 3719108393001 + 53321628291556 = 1928499^2 + 7302166^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57040736684557 - 2²³ = 57040728295949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57040736684492 and 57040736684501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57040736684597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80095828 + ... + 80804845.

It is an arithmetic number, because the mean of its divisors is an integer number (7154850721095).

Almost surely, 2^{57040736684557} is an apocalyptic number.

It is an amenable number.

57040736684557 is a deficient number, since it is larger than the sum of its proper divisors (198069084203).

57040736684557 is a wasteful number, since it uses less digits than its factorization.

57040736684557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160901903.

The product of its (nonzero) digits is 592704000, while the sum is 67.

The spelling of 57040736684557 in words is "fifty-seven trillion, forty billion, seven hundred thirty-six million, six hundred eighty-four thousand, five hundred fifty-seven".