56347150091 has 2 divisors, whose sum is σ = 56347150092. Its totient is φ = 56347150090.

The previous prime is 56347150049. The next prime is 56347150099. The reversal of 56347150091 is 19005174365.

56347150091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56347150091 is a prime.

It is not a weakly prime, because it can be changed into another prime (56347150099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28173575045 + 28173575046.

It is an arithmetic number, because the mean of its divisors is an integer number (28173575046).

Almost surely, 2^56347150091 is an apocalyptic number.

56347150091 is a deficient number, since it is larger than the sum of its proper divisors (1).

56347150091 is an equidigital number, since it uses as much as digits as its factorization.

56347150091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 41.

The spelling of 56347150091 in words is "fifty-six billion, three hundred forty-seven million, one hundred fifty thousand, ninety-one".