57611538938 has 16 divisors (see below), whose sum is σ = 87845393160. Its totient is φ = 28329864000.

The previous prime is 57611538931. The next prime is 57611538947. The reversal of 57611538938 is 83983511675.

It can be written as a sum of positive squares in 4 ways, for example, as 57205637329 + 405901609 = 239177^2 + 20147^2 .

It is not an unprimeable number, because it can be changed into a prime (57611538931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1075388 + ... + 1127688.

Almost surely, 2^57611538938 is an apocalyptic number.

57611538938 is a deficient number, since it is larger than the sum of its proper divisors (30233854222).

57611538938 is a wasteful number, since it uses less digits than its factorization.

57611538938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61393.

The product of its digits is 5443200, while the sum is 56.

The spelling of 57611538938 in words is "fifty-seven billion, six hundred eleven million, five hundred thirty-eight thousand, nine hundred thirty-eight".