54213321312 has 72 divisors (see below), whose sum is σ = 154254116016. Its totient is φ = 18061145856.

The previous prime is 54213321293. The next prime is 54213321313. The reversal of 54213321312 is 21312331245.

54213321312 is a `hidden beast` number, since 5 + 4 + 21 + 3 + 321 + 312 = 666.

54213321312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54213321313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 480978 + ... + 582894.

It is an arithmetic number, because the mean of its divisors is an integer number (2142418278).

Almost surely, 2^54213321312 is an apocalyptic number.

It is an amenable number.

54213321312 is an abundant number, since it is smaller than the sum of its proper divisors (100040794704).

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

54213321312 is a wasteful number, since it uses less digits than its factorization.

54213321312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103780 (or 103769 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

Adding to 54213321312 its reverse (21312331245), we get a palindrome (75525652557).

The spelling of 54213321312 in words is "fifty-four billion, two hundred thirteen million, three hundred twenty-one thousand, three hundred twelve".