56082212309 has 2 divisors, whose sum is σ = 56082212310. Its totient is φ = 56082212308.

The previous prime is 56082212299. The next prime is 56082212383. The reversal of 56082212309 is 90321228065.

56082212309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41332109809 + 14750102500 = 203303^2 + 121450^2 .

It is a cyclic number.

It is not a de Polignac number, because 56082212309 - 2⁴ = 56082212293 is a prime.

It is a super-2 number, since 2×56082212309² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56082212009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28041106154 + 28041106155.

It is an arithmetic number, because the mean of its divisors is an integer number (28041106155).

Almost surely, 2^56082212309 is an apocalyptic number.

It is an amenable number.

56082212309 is a deficient number, since it is larger than the sum of its proper divisors (1).

56082212309 is an equidigital number, since it uses as much as digits as its factorization.

56082212309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 56082212309 in words is "fifty-six billion, eighty-two million, two hundred twelve thousand, three hundred nine".