54441720655 has 8 divisors (see below), whose sum is σ = 74662931232. Its totient is φ = 37331465568.

The previous prime is 54441720653. The next prime is 54441720667. The reversal of 54441720655 is 55602714445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54441720655 - 2¹ = 54441720653 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 (54441720653) 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 7 ways as a sum of consecutive naturals, for example, 777738832 + ... + 777738901.

It is an arithmetic number, because the mean of its divisors is an integer number (9332866404).

Almost surely, 2^54441720655 is an apocalyptic number.

54441720655 is a deficient number, since it is larger than the sum of its proper divisors (20221210577).

54441720655 is a wasteful number, since it uses less digits than its factorization.

54441720655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555477745.

The product of its (nonzero) digits is 672000, while the sum is 43.

The spelling of 54441720655 in words is "fifty-four billion, four hundred forty-one million, seven hundred twenty thousand, six hundred fifty-five".