54131305091 has 2 divisors, whose sum is σ = 54131305092. Its totient is φ = 54131305090.

The previous prime is 54131305057. The next prime is 54131305097. The reversal of 54131305091 is 19050313145.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54131305091 - 2¹⁸ = 54131042947 is a prime.

It is not a weakly prime, because it can be changed into another prime (54131305097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27065652545 + 27065652546.

It is an arithmetic number, because the mean of its divisors is an integer number (27065652546).

Almost surely, 2^54131305091 is an apocalyptic number.

54131305091 is a deficient number, since it is larger than the sum of its proper divisors (1).

54131305091 is an equidigital number, since it uses as much as digits as its factorization.

54131305091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 32.

The spelling of 54131305091 in words is "fifty-four billion, one hundred thirty-one million, three hundred five thousand, ninety-one".