5656005061 has 4 divisors (see below), whose sum is σ = 6464005792. Its totient is φ = 4848004332.

The previous prime is 5656005059. The next prime is 5656005067. The reversal of 5656005061 is 1605006565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1605006565 = 5 ⋅321001313.

It is a cyclic number.

It is not a de Polignac number, because 5656005061 - 2¹ = 5656005059 is a prime.

It is a super-2 number, since 2×5656005061² = 63980786500115227442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5656005067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404000355 + ... + 404000368.

It is an arithmetic number, because the mean of its divisors is an integer number (1616001448).

Almost surely, 2^5656005061 is an apocalyptic number.

It is an amenable number.

5656005061 is a deficient number, since it is larger than the sum of its proper divisors (808000731).

5656005061 is an equidigital number, since it uses as much as digits as its factorization.

5656005061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808000730.

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

The square root of 5656005061 is about 75206.4163552552. The cubic root of 5656005061 is about 1781.7082726141.

The spelling of 5656005061 in words is "five billion, six hundred fifty-six million, five thousand, sixty-one".