5635656 has 96 divisors (see below), whose sum is σ = 17122560. Its totient is φ = 1726272.

The previous prime is 5635633. The next prime is 5635661. The reversal of 5635656 is 6565365.

It is a happy number.

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

It is an Ulam number.

It is a d-powerful number, because it can be written as 5⁵ + 6 + 3 + 5⁹ + 6⁶ + 5⁹ + 6⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 5635656.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25161 + ... + 25383.

It is an arithmetic number, because the mean of its divisors is an integer number (178360).

Almost surely, 2^5635656 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 5635656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8561280).

5635656 is an abundant number, since it is smaller than the sum of its proper divisors (11486904).

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

5635656 is a wasteful number, since it uses less digits than its factorization.

5635656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 241 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

The square root of 5635656 is about 2373.9536642487. The cubic root of 5635656 is about 177.9568973614.

The spelling of 5635656 in words is "five million, six hundred thirty-five thousand, six hundred fifty-six".