56501341549 has 2 divisors, whose sum is σ = 56501341550. Its totient is φ = 56501341548.

The previous prime is 56501341483. The next prime is 56501341571. The reversal of 56501341549 is 94514310565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54510575625 + 1990765924 = 233475^2 + 44618^2 .

It is a cyclic number.

It is not a de Polignac number, because 56501341549 - 2⁹ = 56501341037 is a prime.

It is a super-3 number, since 3×56501341549³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56501341849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28250670774 + 28250670775.

It is an arithmetic number, because the mean of its divisors is an integer number (28250670775).

Almost surely, 2^56501341549 is an apocalyptic number.

It is an amenable number.

56501341549 is a deficient number, since it is larger than the sum of its proper divisors (1).

56501341549 is an equidigital number, since it uses as much as digits as its factorization.

56501341549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 56501341549 in words is "fifty-six billion, five hundred one million, three hundred forty-one thousand, five hundred forty-nine".