56463121671257 has 4 divisors (see below), whose sum is σ = 64529281910016. Its totient is φ = 48396961432500.

The previous prime is 56463121671163. The next prime is 56463121671311. The reversal of 56463121671257 is 75217612136465.

56463121671257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56463121671257 - 2⁸ = 56463121671001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56463121071257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4033080119369 + ... + 4033080119382.

It is an arithmetic number, because the mean of its divisors is an integer number (16132320477504).

Almost surely, 2^{56463121671257} is an apocalyptic number.

It is an amenable number.

56463121671257 is a deficient number, since it is larger than the sum of its proper divisors (8066160238759).

56463121671257 is an equidigital number, since it uses as much as digits as its factorization.

56463121671257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8066160238758.

The product of its digits is 12700800, while the sum is 56.

The spelling of 56463121671257 in words is "fifty-six trillion, four hundred sixty-three billion, one hundred twenty-one million, six hundred seventy-one thousand, two hundred fifty-seven".