5656911 has 16 divisors (see below), whose sum is σ = 8386560. Its totient is φ = 3368160.

The previous prime is 5656837. The next prime is 5656921. The reversal of 5656911 is 1196565.

It is not a de Polignac number, because 5656911 - 2¹⁰ = 5655887 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5656921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1131 + ... + 3548.

It is an arithmetic number, because the mean of its divisors is an integer number (524160).

Almost surely, 2^5656911 is an apocalyptic number.

5656911 is a deficient number, since it is larger than the sum of its proper divisors (2729649).

5656911 is a wasteful number, since it uses less digits than its factorization.

5656911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4726.

The product of its digits is 8100, while the sum is 33.

The square root of 5656911 is about 2378.4261603001. The cubic root of 5656911 is about 178.1803394691.

The spelling of 5656911 in words is "five million, six hundred fifty-six thousand, nine hundred eleven".