55564623636786 has 48 divisors (see below), whose sum is σ = 134884147814208. Its totient is φ = 16382690013600.

The previous prime is 55564623636667. The next prime is 55564623636827. The reversal of 55564623636786 is 68763632646555.

55564623636786 is a `hidden beast` number, since 5 + 5 + 56 + 462 + 3 + 6 + 36 + 7 + 86 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3792282030 + ... + 3792296681.

It is an arithmetic number, because the mean of its divisors is an integer number (2810086412796).

Almost surely, 2^{55564623636786} is an apocalyptic number.

55564623636786 is an abundant number, since it is smaller than the sum of its proper divisors (79319524177422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55564623636786 is a wasteful number, since it uses less digits than its factorization.

55564623636786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7584578767 (or 7584578764 counting only the distinct ones).

The product of its digits is 3919104000, while the sum is 72.

The spelling of 55564623636786 in words is "fifty-five trillion, five hundred sixty-four billion, six hundred twenty-three million, six hundred thirty-six thousand, seven hundred eighty-six".