5533187220 has 288 divisors, whose sum is σ = 19921910400. Its totient is φ = 1270494720.

The previous prime is 5533187197. The next prime is 5533187249. The reversal of 5533187220 is 227813355.

It is a happy number.

5533187220 is a `hidden beast` number, since 553 + 3 + 1 + 87 + 2 + 20 = 666.

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

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 1239232 + ... + 1243688.

It is an arithmetic number, because the mean of its divisors is an integer number (69173300).

Almost surely, 2^5533187220 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 5533187220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9960955200).

5533187220 is an abundant number, since it is smaller than the sum of its proper divisors (14388723180).

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

5533187220 is a wasteful number, since it uses less digits than its factorization.

5533187220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4516 (or 4497 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 5533187220 is about 74385.3965506671. The cubic root of 5533187220 is about 1768.7174276446.

The spelling of 5533187220 in words is "five billion, five hundred thirty-three million, one hundred eighty-seven thousand, two hundred twenty".