54545551223 has 4 divisors (see below), whose sum is σ = 54546114480. Its totient is φ = 54544987968.

The previous prime is 54545551187. The next prime is 54545551237. The reversal of 54545551223 is 32215554545.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54545551223 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 (54544551223) 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, 95258 + ... + 343751.

It is an arithmetic number, because the mean of its divisors is an integer number (13636528620).

Almost surely, 2^54545551223 is an apocalyptic number.

54545551223 is a deficient number, since it is larger than the sum of its proper divisors (563257).

54545551223 is a wasteful number, since it uses less digits than its factorization.

54545551223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563256.

The product of its digits is 600000, while the sum is 41.

The spelling of 54545551223 in words is "fifty-four billion, five hundred forty-five million, five hundred fifty-one thousand, two hundred twenty-three".