54512013220 has 48 divisors (see below), whose sum is σ = 130860455040. Its totient is φ = 18685315584.

The previous prime is 54512013151. The next prime is 54512013253. The reversal of 54512013220 is 2231021545.

54512013220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562291 + ... + 652069.

It is an arithmetic number, because the mean of its divisors is an integer number (2726259480).

Almost surely, 2^54512013220 is an apocalyptic number.

It is an amenable number.

54512013220 is an abundant number, since it is smaller than the sum of its proper divisors (76348441820).

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

54512013220 is a wasteful number, since it uses less digits than its factorization.

54512013220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94132 (or 94130 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 54512013220 its reverse (2231021545), we get a palindrome (56743034765).

The spelling of 54512013220 in words is "fifty-four billion, five hundred twelve million, thirteen thousand, two hundred twenty".