5651656 has 16 divisors (see below), whose sum is σ = 10823040. Its totient is φ = 2765520.

The previous prime is 5651623. The next prime is 5651707. The reversal of 5651656 is 6561565.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7140 + ... + 7891.

It is an arithmetic number, because the mean of its divisors is an integer number (676440).

Almost surely, 2^5651656 is an apocalyptic number.

It is an amenable number.

5651656 is a deficient number, since it is larger than the sum of its proper divisors (5171384).

5651656 is a wasteful number, since it uses less digits than its factorization.

5651656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15084 (or 15080 counting only the distinct ones).

The product of its digits is 27000, while the sum is 34.

The square root of 5651656 is about 2377.3211814982. The cubic root of 5651656 is about 178.1251487020.

Subtracting 5651656 from its reverse (6561565), we obtain a palindrome (909909).

The spelling of 5651656 in words is "five million, six hundred fifty-one thousand, six hundred fifty-six".