54455012500 has 144 divisors (see below), whose sum is σ = 136764246528. Its totient is φ = 18583200000.

The previous prime is 54455012471. The next prime is 54455012509. The reversal of 54455012500 is 521055445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54455012509) 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 47 ways as a sum of consecutive naturals, for example, 20386165 + ... + 20388835.

It is an arithmetic number, because the mean of its divisors is an integer number (949751712).

Almost surely, 2^54455012500 is an apocalyptic number.

54455012500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54455012500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68382123264).

54455012500 is an abundant number, since it is smaller than the sum of its proper divisors (82309234028).

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

54455012500 is a wasteful number, since it uses less digits than its factorization.

54455012500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940 (or 2918 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

Adding to 54455012500 its reverse (521055445), we get a palindrome (54976067945).

The spelling of 54455012500 in words is "fifty-four billion, four hundred fifty-five million, twelve thousand, five hundred".