55646320006 has 16 divisors (see below), whose sum is σ = 84661728768. Its totient is φ = 27425897800.

The previous prime is 55646319961. The next prime is 55646320021. The reversal of 55646320006 is 60002364655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742851 + ... + 814321.

It is an arithmetic number, because the mean of its divisors is an integer number (5291358048).

Almost surely, 2^55646320006 is an apocalyptic number.

55646320006 is a deficient number, since it is larger than the sum of its proper divisors (29015408762).

55646320006 is a wasteful number, since it uses less digits than its factorization.

55646320006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77027.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 55646320006 in words is "fifty-five billion, six hundred forty-six million, three hundred twenty thousand, six".