56595479489 has 2 divisors, whose sum is σ = 56595479490. Its totient is φ = 56595479488.

The previous prime is 56595479471. The next prime is 56595479557. The reversal of 56595479489 is 98497459565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55597867264 + 997612225 = 235792^2 + 31585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56595479489 is a prime.

It is a super-2 number, since 2×56595479489² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56595479429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28297739744 + 28297739745.

It is an arithmetic number, because the mean of its divisors is an integer number (28297739745).

Almost surely, 2^56595479489 is an apocalyptic number.

It is an amenable number.

56595479489 is a deficient number, since it is larger than the sum of its proper divisors (1).

56595479489 is an equidigital number, since it uses as much as digits as its factorization.

56595479489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888000, while the sum is 71.

The spelling of 56595479489 in words is "fifty-six billion, five hundred ninety-five million, four hundred seventy-nine thousand, four hundred eighty-nine".