56353364191 has 2 divisors, whose sum is σ = 56353364192. Its totient is φ = 56353364190.

The previous prime is 56353364099. The next prime is 56353364213. The reversal of 56353364191 is 19146335365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56353364191 - 2¹⁷ = 56353233119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56353364491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28176682095 + 28176682096.

It is an arithmetic number, because the mean of its divisors is an integer number (28176682096).

Almost surely, 2^56353364191 is an apocalyptic number.

56353364191 is a deficient number, since it is larger than the sum of its proper divisors (1).

56353364191 is an equidigital number, since it uses as much as digits as its factorization.

56353364191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 874800, while the sum is 46.

The spelling of 56353364191 in words is "fifty-six billion, three hundred fifty-three million, three hundred sixty-four thousand, one hundred ninety-one".