54842215500 has 144 divisors (see below), whose sum is σ = 174047275584. Its totient is φ = 14536819200.

The previous prime is 54842215489. The next prime is 54842215573. The reversal of 54842215500 is 551224845.

54842215500 is a `hidden beast` number, since 5 + 4 + 84 + 2 + 21 + 550 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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, 715012 + ... + 787988.

It is an arithmetic number, because the mean of its divisors is an integer number (1208661636).

Almost surely, 2^54842215500 is an apocalyptic number.

54842215500 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 54842215500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87023637792).

54842215500 is an abundant number, since it is smaller than the sum of its proper divisors (119205060084).

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

54842215500 is a wasteful number, since it uses less digits than its factorization.

54842215500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73169 (or 73154 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

The spelling of 54842215500 in words is "fifty-four billion, eight hundred forty-two million, two hundred fifteen thousand, five hundred".