54118973217 has 8 divisors (see below), whose sum is σ = 72172504480. Its totient is φ = 36072378720.

The previous prime is 54118973203. The next prime is 54118973219. The reversal of 54118973217 is 71237981145.

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

It is not a de Polignac number, because 54118973217 - 2¹¹ = 54118971169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54118973219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1715959 + ... + 1747212.

It is an arithmetic number, because the mean of its divisors is an integer number (9021563060).

Almost surely, 2^54118973217 is an apocalyptic number.

It is an amenable number.

54118973217 is a deficient number, since it is larger than the sum of its proper divisors (18053531263).

54118973217 is a wasteful number, since it uses less digits than its factorization.

54118973217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3468383.

The product of its digits is 423360, while the sum is 48.

The spelling of 54118973217 in words is "fifty-four billion, one hundred eighteen million, nine hundred seventy-three thousand, two hundred seventeen".