54120311055017 has 4 divisors (see below), whose sum is σ = 54177100469460. Its totient is φ = 54063521640576.

The previous prime is 54120311054881. The next prime is 54120311055029. The reversal of 54120311055017 is 71055011302145.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41104818980416 + 13015492074601 = 6411304^2 + 3607699^2 .

It is a cyclic number.

It is not a de Polignac number, because 54120311055017 - 2¹⁰ = 54120311053993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54120311025017) 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, 28394705792 + ... + 28394707697.

It is an arithmetic number, because the mean of its divisors is an integer number (13544275117365).

Almost surely, 2^{54120311055017} is an apocalyptic number.

It is an amenable number.

54120311055017 is a deficient number, since it is larger than the sum of its proper divisors (56789414443).

54120311055017 is an equidigital number, since it uses as much as digits as its factorization.

54120311055017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56789414442.

The product of its (nonzero) digits is 21000, while the sum is 35.

The spelling of 54120311055017 in words is "fifty-four trillion, one hundred twenty billion, three hundred eleven million, fifty-five thousand, seventeen".