54451010191 has 2 divisors, whose sum is σ = 54451010192. Its totient is φ = 54451010190.

The previous prime is 54451010137. The next prime is 54451010311. The reversal of 54451010191 is 19101015445.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54451010191 - 2¹³ = 54451001999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54451010101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27225505095 + 27225505096.

It is an arithmetic number, because the mean of its divisors is an integer number (27225505096).

Almost surely, 2^54451010191 is an apocalyptic number.

54451010191 is a deficient number, since it is larger than the sum of its proper divisors (1).

54451010191 is an equidigital number, since it uses as much as digits as its factorization.

54451010191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 31.

The spelling of 54451010191 in words is "fifty-four billion, four hundred fifty-one million, ten thousand, one hundred ninety-one".