56663127251 has 4 divisors (see below), whose sum is σ = 56739803400. Its totient is φ = 56586451104.

The previous prime is 56663127179. The next prime is 56663127271. The reversal of 56663127251 is 15272136665.

It is a happy number.

56663127251 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56663127251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56663127271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38336966 + ... + 38338443.

It is an arithmetic number, because the mean of its divisors is an integer number (14184950850).

Almost surely, 2^56663127251 is an apocalyptic number.

56663127251 is a deficient number, since it is larger than the sum of its proper divisors (76676149).

56663127251 is an equidigital number, since it uses as much as digits as its factorization.

56663127251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76676148.

The product of its digits is 453600, while the sum is 44.

The spelling of 56663127251 in words is "fifty-six billion, six hundred sixty-three million, one hundred twenty-seven thousand, two hundred fifty-one".