55446602663 has 4 divisors (see below), whose sum is σ = 55605475800. Its totient is φ = 55287729528.

The previous prime is 55446602641. The next prime is 55446602669. The reversal of 55446602663 is 36620664455.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55446602663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55446602669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79436045 + ... + 79436742.

It is an arithmetic number, because the mean of its divisors is an integer number (13901368950).

Almost surely, 2^55446602663 is an apocalyptic number.

55446602663 is a deficient number, since it is larger than the sum of its proper divisors (158873137).

55446602663 is a wasteful number, since it uses less digits than its factorization.

55446602663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158873136.

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 55446602663 in words is "fifty-five billion, four hundred forty-six million, six hundred two thousand, six hundred sixty-three".