5457560657545 has 4 divisors (see below), whose sum is σ = 6549072789060. Its totient is φ = 4366048526032.

The previous prime is 5457560657543. The next prime is 5457560657551.

5457560657545 is nontrivially palindromic in base 10.

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 3458201421376 + 1999359236169 = 1859624^2 + 1413987^2 .

It is a cyclic number.

It is not a de Polignac number, because 5457560657545 - 2¹ = 5457560657543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5457560657543) 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, 545756065750 + ... + 545756065759.

It is an arithmetic number, because the mean of its divisors is an integer number (1637268197265).

Almost surely, 2^{5457560657545} is an apocalyptic number.

It is an amenable number.

5457560657545 is a deficient number, since it is larger than the sum of its proper divisors (1091512131515).

5457560657545 is a wasteful number, since it uses less digits than its factorization.

5457560657545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091512131514.

The product of its (nonzero) digits is 441000000, while the sum is 64.

The spelling of 5457560657545 in words is "five trillion, four hundred fifty-seven billion, five hundred sixty million, six hundred fifty-seven thousand, five hundred forty-five".