5656331 has 4 divisors (see below), whose sum is σ = 5666712. Its totient is φ = 5645952.

The previous prime is 5656307. The next prime is 5656379. The reversal of 5656331 is 1336565.

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-5656331 is a prime.

It is a super-2 number, since 2×5656331² = 63988160763122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5656294 and 5656303.

It is not an unprimeable number, because it can be changed into a prime (5656381) 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, 4325 + ... + 5478.

It is an arithmetic number, because the mean of its divisors is an integer number (1416678).

Almost surely, 2^5656331 is an apocalyptic number.

5656331 is a deficient number, since it is larger than the sum of its proper divisors (10381).

5656331 is an equidigital number, since it uses as much as digits as its factorization.

5656331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10380.

The product of its digits is 8100, while the sum is 29.

The square root of 5656331 is about 2378.3042278060. The cubic root of 5656331 is about 178.1742496833.

The spelling of 5656331 in words is "five million, six hundred fifty-six thousand, three hundred thirty-one".