56582136973 has 2 divisors, whose sum is σ = 56582136974. Its totient is φ = 56582136972.

The previous prime is 56582136889. The next prime is 56582136979. The reversal of 56582136973 is 37963128565.

56582136973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56189383849 + 392753124 = 237043^2 + 19818^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56582136973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56582136979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28291068486 + 28291068487.

It is an arithmetic number, because the mean of its divisors is an integer number (28291068487).

Almost surely, 2^56582136973 is an apocalyptic number.

It is an amenable number.

56582136973 is a deficient number, since it is larger than the sum of its proper divisors (1).

56582136973 is an equidigital number, since it uses as much as digits as its factorization.

56582136973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8164800, while the sum is 55.

The spelling of 56582136973 in words is "fifty-six billion, five hundred eighty-two million, one hundred thirty-six thousand, nine hundred seventy-three".