57638600648 has 16 divisors (see below), whose sum is σ = 110708288460. Its totient is φ = 28116390400.

The previous prime is 57638600647. The next prime is 57638600683. The reversal of 57638600648 is 84600683675.

It can be written as a sum of positive squares in 2 ways, for example, as 41444002084 + 16194598564 = 203578^2 + 127258^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57638600648.

It is not an unprimeable number, because it can be changed into a prime (57638600647) 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, 87863393 + ... + 87864048.

Almost surely, 2^57638600648 is an apocalyptic number.

It is an amenable number.

57638600648 is a deficient number, since it is larger than the sum of its proper divisors (53069687812).

57638600648 is a wasteful number, since it uses less digits than its factorization.

57638600648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175727488 (or 175727484 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 57638600648 in words is "fifty-seven billion, six hundred thirty-eight million, six hundred thousand, six hundred forty-eight".