5656616 has 32 divisors (see below), whose sum is σ = 12277440. Its totient is φ = 2393088.

The previous prime is 5656603. The next prime is 5656619. The reversal of 5656616 is 6166565.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (5656619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4040 + ... + 5256.

It is an arithmetic number, because the mean of its divisors is an integer number (383670).

Almost surely, 2^5656616 is an apocalyptic number.

5656616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5656616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6138720).

5656616 is an abundant number, since it is smaller than the sum of its proper divisors (6620824).

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

5656616 is a wasteful number, since it uses less digits than its factorization.

5656616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313 (or 1309 counting only the distinct ones).

The product of its digits is 32400, while the sum is 35.

The square root of 5656616 is about 2378.3641436920. The cubic root of 5656616 is about 178.1772421300.

The spelling of 5656616 in words is "five million, six hundred fifty-six thousand, six hundred sixteen".