54555009911 has 4 divisors (see below), whose sum is σ = 54557539824. Its totient is φ = 54552480000.

The previous prime is 54555009907. The next prime is 54555009937. The reversal of 54555009911 is 11990055545.

It is a happy number.

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 54555009911 - 2² = 54555009907 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 (54555009941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1232330 + ... + 1275831.

It is an arithmetic number, because the mean of its divisors is an integer number (13639384956).

Almost surely, 2^54555009911 is an apocalyptic number.

54555009911 is a deficient number, since it is larger than the sum of its proper divisors (2529913).

54555009911 is a wasteful number, since it uses less digits than its factorization.

54555009911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2529912.

The product of its (nonzero) digits is 202500, while the sum is 44.

The spelling of 54555009911 in words is "fifty-four billion, five hundred fifty-five million, nine thousand, nine hundred eleven".