55664212175806 has 64 divisors (see below), whose sum is σ = 95008021416000. Its totient is φ = 24247547928576.

The previous prime is 55664212175783. The next prime is 55664212175813. The reversal of 55664212175806 is 60857121246655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144647160 + ... + 145031476.

It is an arithmetic number, because the mean of its divisors is an integer number (1484500334625).

Almost surely, 2^{55664212175806} is an apocalyptic number.

55664212175806 is a deficient number, since it is larger than the sum of its proper divisors (39343809240194).

55664212175806 is a wasteful number, since it uses less digits than its factorization.

55664212175806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385453.

The product of its (nonzero) digits is 24192000, while the sum is 58.

The spelling of 55664212175806 in words is "fifty-five trillion, six hundred sixty-four billion, two hundred twelve million, one hundred seventy-five thousand, eight hundred six".