57168248545 has 4 divisors (see below), whose sum is σ = 68601898260. Its totient is φ = 45734598832.

The previous prime is 57168248521. The next prime is 57168248597. The reversal of 57168248545 is 54584286175.

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 12694078224 + 44474170321 = 112668^2 + 210889^2 .

It is a cyclic number.

It is not a de Polignac number, because 57168248545 - 2¹¹ = 57168246497 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5716824850 + ... + 5716824859.

It is an arithmetic number, because the mean of its divisors is an integer number (17150474565).

Almost surely, 2^57168248545 is an apocalyptic number.

It is an amenable number.

57168248545 is a deficient number, since it is larger than the sum of its proper divisors (11433649715).

57168248545 is a wasteful number, since it uses less digits than its factorization.

57168248545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11433649714.

The product of its digits is 10752000, while the sum is 55.

The spelling of 57168248545 in words is "fifty-seven billion, one hundred sixty-eight million, two hundred forty-eight thousand, five hundred forty-five".