56353605251 has 2 divisors, whose sum is σ = 56353605252. Its totient is φ = 56353605250.

The previous prime is 56353605247. The next prime is 56353605271. The reversal of 56353605251 is 15250635365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56353605251 - 2² = 56353605247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56353605199 and 56353605208.

It is not a weakly prime, because it can be changed into another prime (56353605241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28176802625 + 28176802626.

It is an arithmetic number, because the mean of its divisors is an integer number (28176802626).

Almost surely, 2^56353605251 is an apocalyptic number.

56353605251 is a deficient number, since it is larger than the sum of its proper divisors (1).

56353605251 is an equidigital number, since it uses as much as digits as its factorization.

56353605251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405000, while the sum is 41.

The spelling of 56353605251 in words is "fifty-six billion, three hundred fifty-three million, six hundred five thousand, two hundred fifty-one".