54312224520 has 128 divisors (see below), whose sum is σ = 167568508800. Its totient is φ = 14072610816.

The previous prime is 54312224503. The next prime is 54312224521. The reversal of 54312224520 is 2542221345.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (54312224521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3406407 + ... + 3422313.

It is an arithmetic number, because the mean of its divisors is an integer number (1309128975).

Almost surely, 2^54312224520 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 54312224520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83784254400).

54312224520 is an abundant number, since it is smaller than the sum of its proper divisors (113256284280).

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

54312224520 is a wasteful number, since it uses less digits than its factorization.

54312224520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16727 (or 16723 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 54312224520 its reverse (2542221345), we get a palindrome (56854445865).

The spelling of 54312224520 in words is "fifty-four billion, three hundred twelve million, two hundred twenty-four thousand, five hundred twenty".