44553555553 has 16 divisors (see below), whose sum is σ = 50075698176. Its totient is φ = 39331321920.

The previous prime is 44553555551. The next prime is 44553555581. The reversal of 44553555553 is 35555535544.

It is a cyclic number.

It is not a de Polignac number, because 44553555553 - 2¹ = 44553555551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44553555497 and 44553555506.

It is not an unprimeable number, because it can be changed into a prime (44553555551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2468823 + ... + 2486803.

It is an arithmetic number, because the mean of its divisors is an integer number (3129731136).

Almost surely, 2^44553555553 is an apocalyptic number.

It is an amenable number.

44553555553 is a deficient number, since it is larger than the sum of its proper divisors (5522142623).

44553555553 is a wasteful number, since it uses less digits than its factorization.

44553555553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26304.

The product of its digits is 11250000, while the sum is 49.

The spelling of 44553555553 in words is "forty-four billion, five hundred fifty-three million, five hundred fifty-five thousand, five hundred fifty-three".