55680505211 has 4 divisors (see below), whose sum is σ = 55969005432. Its totient is φ = 55392004992.

The previous prime is 55680505201. The next prime is 55680505289. The reversal of 55680505211 is 11250508655.

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-55680505211 is a prime.

It is a super-3 number, since 3×55680505211³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55680505201) 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, 144249821 + ... + 144250206.

It is an arithmetic number, because the mean of its divisors is an integer number (13992251358).

Almost surely, 2^55680505211 is an apocalyptic number.

55680505211 is a deficient number, since it is larger than the sum of its proper divisors (288500221).

55680505211 is a wasteful number, since it uses less digits than its factorization.

55680505211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288500220.

The product of its (nonzero) digits is 60000, while the sum is 38.

The spelling of 55680505211 in words is "fifty-five billion, six hundred eighty million, five hundred five thousand, two hundred eleven".