5515534080 has 432 divisors, whose sum is σ = 22774983840. Its totient is φ = 1260306432.

The previous prime is 5515534027. The next prime is 5515534081. The reversal of 5515534080 is 804355155.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (432).

It is a super-2 number, since 2×5515534080² = 60842232375282892800, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515534081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1691812 + ... + 1695068.

It is an arithmetic number, because the mean of its divisors is an integer number (52719870).

Almost surely, 2^5515534080 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 5515534080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11387491920).

5515534080 is an abundant number, since it is smaller than the sum of its proper divisors (17259449760).

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

5515534080 is a wasteful number, since it uses less digits than its factorization.

5515534080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3301 (or 3274 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The square root of 5515534080 is about 74266.6417713902. The cubic root of 5515534080 is about 1766.8344453608.

The spelling of 5515534080 in words is "five billion, five hundred fifteen million, five hundred thirty-four thousand, eighty".