56715302456447 has 2 divisors, whose sum is σ = 56715302456448. Its totient is φ = 56715302456446.

The previous prime is 56715302456317. The next prime is 56715302456473. The reversal of 56715302456447 is 74465420351765.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56715302456447 - 2³⁸ = 56440424549503 is a prime.

It is a super-2 number, since 2×56715302456447² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56715302456147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28357651228223 + 28357651228224.

It is an arithmetic number, because the mean of its divisors is an integer number (28357651228224).

Almost surely, 2^{56715302456447} is an apocalyptic number.

56715302456447 is a deficient number, since it is larger than the sum of its proper divisors (1).

56715302456447 is an equidigital number, since it uses as much as digits as its factorization.

56715302456447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672000, while the sum is 59.

The spelling of 56715302456447 in words is "fifty-six trillion, seven hundred fifteen billion, three hundred two million, four hundred fifty-six thousand, four hundred forty-seven".