5539457220 has 192 divisors, whose sum is σ = 18293990400. Its totient is φ = 1237731840.

The previous prime is 5539457213. The next prime is 5539457221. The reversal of 5539457220 is 227549355.

It is not an unprimeable number, because it can be changed into a prime (5539457221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 458011 + ... + 469949.

It is an arithmetic number, because the mean of its divisors is an integer number (95281200).

Almost surely, 2^5539457220 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 5539457220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9146995200).

5539457220 is an abundant number, since it is smaller than the sum of its proper divisors (12754533180).

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

5539457220 is a wasteful number, since it uses less digits than its factorization.

5539457220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12018 (or 12016 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 42.

The square root of 5539457220 is about 74427.5299872299. The cubic root of 5539457220 is about 1769.3852568477.

It can be divided in two parts, 553945 and 7220, that added together give a palindrome (561165).

The spelling of 5539457220 in words is "five billion, five hundred thirty-nine million, four hundred fifty-seven thousand, two hundred twenty".