54555745218 has 64 divisors (see below), whose sum is σ = 119332362240. Its totient is φ = 16525599552.

The previous prime is 54555745213. The next prime is 54555745241. The reversal of 54555745218 is 81254755545.

It is not an unprimeable number, because it can be changed into a prime (54555745213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16298221 + ... + 16301567.

It is an arithmetic number, because the mean of its divisors is an integer number (1864568160).

Almost surely, 2^54555745218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54555745218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59666181120).

54555745218 is an abundant number, since it is smaller than the sum of its proper divisors (64776617022).

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

54555745218 is a wasteful number, since it uses less digits than its factorization.

54555745218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6551.

The product of its digits is 5600000, while the sum is 51.

The spelling of 54555745218 in words is "fifty-four billion, five hundred fifty-five million, seven hundred forty-five thousand, two hundred eighteen".