54591000461 has 2 divisors, whose sum is σ = 54591000462. Its totient is φ = 54591000460.

The previous prime is 54591000437. The next prime is 54591000467. The reversal of 54591000461 is 16400019545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41089722436 + 13501278025 = 202706^2 + 116195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54591000461 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54591000467) 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, 27295500230 + 27295500231.

It is an arithmetic number, because the mean of its divisors is an integer number (27295500231).

Almost surely, 2^54591000461 is an apocalyptic number.

It is an amenable number.

54591000461 is a deficient number, since it is larger than the sum of its proper divisors (1).

54591000461 is an equidigital number, since it uses as much as digits as its factorization.

54591000461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 54591000461 in words is "fifty-four billion, five hundred ninety-one million, four hundred sixty-one", and thus it is an aban number.