5531648 has 48 divisors (see below), whose sum is σ = 11515140. Its totient is φ = 2654208.

The previous prime is 5531639. The next prime is 5531651. The reversal of 5531648 is 8461355.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5161984 + 369664 = 2272^2 + 608^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75740 + ... + 75812.

Almost surely, 2^5531648 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 5531648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5757570).

5531648 is an abundant number, since it is smaller than the sum of its proper divisors (5983492).

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

5531648 is an equidigital number, since it uses as much as digits as its factorization.

5531648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 112 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 5531648 is about 2351.9455776017. The cubic root of 5531648 is about 176.8553405378.

The spelling of 5531648 in words is "five million, five hundred thirty-one thousand, six hundred forty-eight".