57108836648 has 16 divisors (see below), whose sum is σ = 107086596180. Its totient is φ = 28552411008.

The previous prime is 57108836591. The next prime is 57108836669. The reversal of 57108836648 is 84663880175.

It can be written as a sum of positive squares in 2 ways, for example, as 50022900964 + 7085935684 = 223658^2 + 84178^2 .

It is a super-3 number, since 3×57108836648³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 57108836593 and 57108836602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126365 + ... + 360812.

Almost surely, 2^57108836648 is an apocalyptic number.

It is an amenable number.

57108836648 is a deficient number, since it is larger than the sum of its proper divisors (49977759532).

57108836648 is a wasteful number, since it uses less digits than its factorization.

57108836648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501836 (or 501832 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 57108836648 in words is "fifty-seven billion, one hundred eight million, eight hundred thirty-six thousand, six hundred forty-eight".