54945000791 has 2 divisors, whose sum is σ = 54945000792. Its totient is φ = 54945000790.

The previous prime is 54945000767. The next prime is 54945000823. The reversal of 54945000791 is 19700054945.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54945000791 - 2¹⁸ = 54944738647 is a prime.

It is a super-2 number, since 2×54945000791² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54945000991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27472500395 + 27472500396.

It is an arithmetic number, because the mean of its divisors is an integer number (27472500396).

Almost surely, 2^54945000791 is an apocalyptic number.

54945000791 is a deficient number, since it is larger than the sum of its proper divisors (1).

54945000791 is an equidigital number, since it uses as much as digits as its factorization.

54945000791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 54945000791 in words is "fifty-four billion, nine hundred forty-five million, seven hundred ninety-one", and thus it is an aban number.