5656005931 has 4 divisors (see below), whose sum is σ = 5656453912. Its totient is φ = 5655557952.

The previous prime is 5656005919. The next prime is 5656005941. The reversal of 5656005931 is 1395006565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1395006565 = 5 ⋅279001313.

It is a cyclic number.

It is not a de Polignac number, because 5656005931 - 2¹¹ = 5656003883 is a prime.

It is a super-2 number, since 2×5656005931² = 63980806183014353522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5656005911) 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, 204486 + ... + 230491.

It is an arithmetic number, because the mean of its divisors is an integer number (1414113478).

Almost surely, 2^5656005931 is an apocalyptic number.

5656005931 is a deficient number, since it is larger than the sum of its proper divisors (447981).

5656005931 is a wasteful number, since it uses less digits than its factorization.

5656005931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447980.

The product of its (nonzero) digits is 121500, while the sum is 40.

The square root of 5656005931 is about 75206.4221393359. The cubic root of 5656005931 is about 1781.7083639676.

The spelling of 5656005931 in words is "five billion, six hundred fifty-six million, five thousand, nine hundred thirty-one".