56326109533 has 2 divisors, whose sum is σ = 56326109534. Its totient is φ = 56326109532.

The previous prime is 56326109491. The next prime is 56326109551. The reversal of 56326109533 is 33590162365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32667670564 + 23658438969 = 180742^2 + 153813^2 .

It is a cyclic number.

It is not a de Polignac number, because 56326109533 - 2¹⁷ = 56325978461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56326109533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56326106533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28163054766 + 28163054767.

It is an arithmetic number, because the mean of its divisors is an integer number (28163054767).

Almost surely, 2^56326109533 is an apocalyptic number.

It is an amenable number.

56326109533 is a deficient number, since it is larger than the sum of its proper divisors (1).

56326109533 is an equidigital number, since it uses as much as digits as its factorization.

56326109533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 437400, while the sum is 43.

The spelling of 56326109533 in words is "fifty-six billion, three hundred twenty-six million, one hundred nine thousand, five hundred thirty-three".