55663802179 has 4 divisors (see below), whose sum is σ = 55927611880. Its totient is φ = 55399992480.

The previous prime is 55663802149. The next prime is 55663802191. The reversal of 55663802179 is 97120836655.

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

It is a cyclic number.

It is not a de Polignac number, because 55663802179 - 2¹⁵ = 55663769411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55663802149) 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, 131904534 + ... + 131904955.

It is an arithmetic number, because the mean of its divisors is an integer number (13981902970).

Almost surely, 2^55663802179 is an apocalyptic number.

55663802179 is a deficient number, since it is larger than the sum of its proper divisors (263809701).

55663802179 is a wasteful number, since it uses less digits than its factorization.

55663802179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263809700.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 55663802179 in words is "fifty-five billion, six hundred sixty-three million, eight hundred two thousand, one hundred seventy-nine".