550213545540 has 96 divisors (see below), whose sum is σ = 1624031216640. Its totient is φ = 138799958400.

The previous prime is 550213545527. The next prime is 550213545571. The reversal of 550213545540 is 45545312055.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 438505 + ... + 1136975.

It is an arithmetic number, because the mean of its divisors is an integer number (16916991840).

Almost surely, 2^550213545540 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 550213545540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (812015608320).

550213545540 is an abundant number, since it is smaller than the sum of its proper divisors (1073817671100).

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

550213545540 is a wasteful number, since it uses less digits than its factorization.

550213545540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699193 (or 699191 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 39.

Adding to 550213545540 its reverse (45545312055), we get a palindrome (595758857595).

The spelling of 550213545540 in words is "five hundred fifty billion, two hundred thirteen million, five hundred forty-five thousand, five hundred forty".