57147603745 has 4 divisors (see below), whose sum is σ = 68577124500. Its totient is φ = 45718082992.

The previous prime is 57147603707. The next prime is 57147603749. The reversal of 57147603745 is 54730674175.

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 20876782144 + 36270821601 = 144488^2 + 190449^2 .

It is a cyclic number.

It is not a de Polignac number, because 57147603745 - 2¹¹ = 57147601697 is a prime.

It is a super-2 number, since 2×57147603745² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (57147603749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5714760370 + ... + 5714760379.

It is an arithmetic number, because the mean of its divisors is an integer number (17144281125).

Almost surely, 2^57147603745 is an apocalyptic number.

It is an amenable number.

57147603745 is a deficient number, since it is larger than the sum of its proper divisors (11429520755).

57147603745 is a wasteful number, since it uses less digits than its factorization.

57147603745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11429520754.

The product of its (nonzero) digits is 2469600, while the sum is 49.

The spelling of 57147603745 in words is "fifty-seven billion, one hundred forty-seven million, six hundred three thousand, seven hundred forty-five".