55446424066 has 16 divisors (see below), whose sum is σ = 90739520928. Its totient is φ = 25200417600.

The previous prime is 55446424027. The next prime is 55446424067. The reversal of 55446424066 is 66042464455.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55446424067) 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, 111421 + ... + 351151.

It is an arithmetic number, because the mean of its divisors is an integer number (5671220058).

Almost surely, 2^55446424066 is an apocalyptic number.

55446424066 is a deficient number, since it is larger than the sum of its proper divisors (35293096862).

55446424066 is a wasteful number, since it uses less digits than its factorization.

55446424066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250257.

The product of its (nonzero) digits is 2764800, while the sum is 46.

The spelling of 55446424066 in words is "fifty-five billion, four hundred forty-six million, four hundred twenty-four thousand, sixty-six".