56612439061 has 2 divisors, whose sum is σ = 56612439062. Its totient is φ = 56612439060.

The previous prime is 56612439043. The next prime is 56612439067. The reversal of 56612439061 is 16093421665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51751700100 + 4860738961 = 227490^2 + 69719^2 .

It is a cyclic number.

It is not a de Polignac number, because 56612439061 - 2⁹ = 56612438549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56612438999 and 56612439017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56612439067) 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 as a sum of consecutive naturals, namely, 28306219530 + 28306219531.

It is an arithmetic number, because the mean of its divisors is an integer number (28306219531).

Almost surely, 2^56612439061 is an apocalyptic number.

It is an amenable number.

56612439061 is a deficient number, since it is larger than the sum of its proper divisors (1).

56612439061 is an equidigital number, since it uses as much as digits as its factorization.

56612439061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 56612439061 in words is "fifty-six billion, six hundred twelve million, four hundred thirty-nine thousand, sixty-one".