54439917055 has 16 divisors (see below), whose sum is σ = 66987194400. Its totient is φ = 42447831040.

The previous prime is 54439917031. The next prime is 54439917061. The reversal of 54439917055 is 55071993445.

It is not a de Polignac number, because 54439917055 - 2¹³ = 54439908863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54439916993 and 54439917011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78591 + ... + 339199.

It is an arithmetic number, because the mean of its divisors is an integer number (4186699650).

Almost surely, 2^54439917055 is an apocalyptic number.

54439917055 is a deficient number, since it is larger than the sum of its proper divisors (12547277345).

54439917055 is a wasteful number, since it uses less digits than its factorization.

54439917055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261674.

The product of its (nonzero) digits is 3402000, while the sum is 52.

The spelling of 54439917055 in words is "fifty-four billion, four hundred thirty-nine million, nine hundred seventeen thousand, fifty-five".