54172712216 has 32 divisors (see below), whose sum is σ = 116098544640. Its totient is φ = 23214044448.

The previous prime is 54172712213. The next prime is 54172712221. The reversal of 54172712216 is 61221727145.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 54172712216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54172712213) 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, 441755 + ... + 550901.

It is an arithmetic number, because the mean of its divisors is an integer number (3628079520).

Almost surely, 2^54172712216 is an apocalyptic number.

54172712216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

54172712216 is an abundant number, since it is smaller than the sum of its proper divisors (61925832424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54172712216 is a wasteful number, since it uses less digits than its factorization.

54172712216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118023 (or 118019 counting only the distinct ones).

The product of its digits is 47040, while the sum is 38.

The spelling of 54172712216 in words is "fifty-four billion, one hundred seventy-two million, seven hundred twelve thousand, two hundred sixteen".