54240120520 has 32 divisors (see below), whose sum is σ = 122587557120. Its totient is φ = 21598752960.

The previous prime is 54240120481. The next prime is 54240120523. The reversal of 54240120520 is 2502104245.

It is not an unprimeable number, because it can be changed into a prime (54240120523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3031446 + ... + 3049285.

It is an arithmetic number, because the mean of its divisors is an integer number (3830861160).

Almost surely, 2^54240120520 is an apocalyptic number.

It is an amenable number.

54240120520 is an abundant number, since it is smaller than the sum of its proper divisors (68347436600).

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

54240120520 is a wasteful number, since it uses less digits than its factorization.

54240120520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6080965 (or 6080961 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 54240120520 its reverse (2502104245), we get a palindrome (56742224765).

The spelling of 54240120520 in words is "fifty-four billion, two hundred forty million, one hundred twenty thousand, five hundred twenty".