54101120520 has 256 divisors, whose sum is σ = 171322905600. Its totient is φ = 13648158720.

The previous prime is 54101120477. The next prime is 54101120531. The reversal of 54101120520 is 2502110145.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43948305 + ... + 43949535.

It is an arithmetic number, because the mean of its divisors is an integer number (669230100).

Almost surely, 2^54101120520 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 54101120520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85661452800).

54101120520 is an abundant number, since it is smaller than the sum of its proper divisors (117221785080).

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

54101120520 is a wasteful number, since it uses less digits than its factorization.

54101120520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520 (or 1516 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 54101120520 its reverse (2502110145), we get a palindrome (56603230665).

The spelling of 54101120520 in words is "fifty-four billion, one hundred one million, one hundred twenty thousand, five hundred twenty".