56685253459 has 2 divisors, whose sum is σ = 56685253460. Its totient is φ = 56685253458.

The previous prime is 56685253403. The next prime is 56685253517. The reversal of 56685253459 is 95435258665.

56685253459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (56685253517) can be obtained adding 56685253459 to its sum of digits (58).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56685253459 - 2³³ = 48095318867 is a prime.

It is a super-2 number, since 2×56685253459² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56685053459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28342626729 + 28342626730.

It is an arithmetic number, because the mean of its divisors is an integer number (28342626730).

Almost surely, 2^56685253459 is an apocalyptic number.

56685253459 is a deficient number, since it is larger than the sum of its proper divisors (1).

56685253459 is an equidigital number, since it uses as much as digits as its factorization.

56685253459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880000, while the sum is 58.

The spelling of 56685253459 in words is "fifty-six billion, six hundred eighty-five million, two hundred fifty-three thousand, four hundred fifty-nine".