54213532472216 has 128 divisors (see below), whose sum is σ = 113538910464000. Its totient is φ = 24099405603840.

The previous prime is 54213532472173. The next prime is 54213532472243. The reversal of 54213532472216 is 61227423531245.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 754512260 + ... + 754584108.

It is an arithmetic number, because the mean of its divisors is an integer number (887022738000).

Almost surely, 2^{54213532472216} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54213532472216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56769455232000).

54213532472216 is an abundant number, since it is smaller than the sum of its proper divisors (59325377991784).

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

54213532472216 is a wasteful number, since it uses less digits than its factorization.

54213532472216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73009 (or 73005 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 47.

The spelling of 54213532472216 in words is "fifty-four trillion, two hundred thirteen billion, five hundred thirty-two million, four hundred seventy-two thousand, two hundred sixteen".