56449087213 has 2 divisors, whose sum is σ = 56449087214. Its totient is φ = 56449087212.

The previous prime is 56449087183. The next prime is 56449087217. The reversal of 56449087213 is 31278094465.

It is a happy number.

56449087213 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., 55989970884 + 459116329 = 236622^2 + 21427^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56449087213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56449087217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28224543606 + 28224543607.

It is an arithmetic number, because the mean of its divisors is an integer number (28224543607).

It is a 1-persistent number, because it is pandigital, but 2⋅56449087213 = 112898174426 is not.

Almost surely, 2^56449087213 is an apocalyptic number.

It is an amenable number.

56449087213 is a deficient number, since it is larger than the sum of its proper divisors (1).

56449087213 is an equidigital number, since it uses as much as digits as its factorization.

56449087213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 56449087213 in words is "fifty-six billion, four hundred forty-nine million, eighty-seven thousand, two hundred thirteen".