6635552 has 48 divisors (see below), whose sum is σ = 16293312. Its totient is φ = 2584320.

The previous prime is 6635549. The next prime is 6635561. The reversal of 6635552 is 2555366.

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

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118 + ... + 3810.

It is an arithmetic number, because the mean of its divisors is an integer number (339444).

Almost surely, 2^6635552 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 6635552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8146656).

6635552 is an abundant number, since it is smaller than the sum of its proper divisors (9657760).

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

6635552 is a wasteful number, since it uses less digits than its factorization.

6635552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2721 (or 2713 counting only the distinct ones).

The product of its digits is 27000, while the sum is 32.

The square root of 6635552 is about 2575.9565213722. The cubic root of 6635552 is about 187.9139488487.

It can be divided in two parts, 66 and 35552, that multiplied together give a palindrome (2346432).

The spelling of 6635552 in words is "six million, six hundred thirty-five thousand, five hundred fifty-two".