55685533574786 has 8 divisors (see below), whose sum is σ = 83565639796860. Its totient is φ = 27830320309168.

The previous prime is 55685533574747. The next prime is 55685533574809. The reversal of 55685533574786 is 68747533558655.

It can be written as a sum of positive squares in 2 ways, for example, as 53171149341025 + 2514384233761 = 7291855^2 + 1585681^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6223233521 + ... + 6223242468.

Almost surely, 2^{55685533574786} is an apocalyptic number.

55685533574786 is a deficient number, since it is larger than the sum of its proper divisors (27880106222074).

55685533574786 is a wasteful number, since it uses less digits than its factorization.

55685533574786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12446478228.

The product of its digits is 12700800000, while the sum is 77.

The spelling of 55685533574786 in words is "fifty-five trillion, six hundred eighty-five billion, five hundred thirty-three million, five hundred seventy-four thousand, seven hundred eighty-six".