5515648 has 32 divisors (see below), whose sum is σ = 11266920. Its totient is φ = 2688000.

The previous prime is 5515637. The next prime is 5515649. The reversal of 5515648 is 8465155.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×5515648³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4723 + ... + 5773.

Almost surely, 2^5515648 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 5515648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5633460).

5515648 is an abundant number, since it is smaller than the sum of its proper divisors (5751272).

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

5515648 is a wasteful number, since it uses less digits than its factorization.

5515648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106 (or 1094 counting only the distinct ones).

The product of its digits is 24000, while the sum is 34.

The square root of 5515648 is about 2348.5416751678. The cubic root of 5515648 is about 176.6846609574.

The spelling of 5515648 in words is "five million, five hundred fifteen thousand, six hundred forty-eight".