55560889163 has 4 divisors (see below), whose sum is σ = 59834803728. Its totient is φ = 51286974600.

The previous prime is 55560889147. The next prime is 55560889169. The reversal of 55560889163 is 36198806555.

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 55560889163 - 2⁴ = 55560889147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55560889099 and 55560889108.

It is not an unprimeable number, because it can be changed into a prime (55560889169) 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, 2136957263 + ... + 2136957288.

It is an arithmetic number, because the mean of its divisors is an integer number (14958700932).

Almost surely, 2^55560889163 is an apocalyptic number.

55560889163 is a deficient number, since it is larger than the sum of its proper divisors (4273914565).

55560889163 is a wasteful number, since it uses less digits than its factorization.

55560889163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4273914564.

The product of its (nonzero) digits is 7776000, while the sum is 56.

The spelling of 55560889163 in words is "fifty-five billion, five hundred sixty million, eight hundred eighty-nine thousand, one hundred sixty-three".