5656211 has 4 divisors (see below), whose sum is σ = 6170424. Its totient is φ = 5142000.

The previous prime is 5656193. The next prime is 5656253. The reversal of 5656211 is 1126565.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5656211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5656111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257090 + ... + 257111.

It is an arithmetic number, because the mean of its divisors is an integer number (1542606).

Almost surely, 2^5656211 is an apocalyptic number.

5656211 is a deficient number, since it is larger than the sum of its proper divisors (514213).

5656211 is a wasteful number, since it uses less digits than its factorization.

5656211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514212.

The product of its digits is 1800, while the sum is 26.

The square root of 5656211 is about 2378.2789996130. The cubic root of 5656211 is about 178.1729896756.

It can be divided in two parts, 565 and 6211, that added together give a palindrome (6776).

The spelling of 5656211 in words is "five million, six hundred fifty-six thousand, two hundred eleven".