54946861 has 2 divisors, whose sum is σ = 54946862. Its totient is φ = 54946860.

The previous prime is 54946831. The next prime is 54946889. The reversal of 54946861 is 16864945.

54946861 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 can be written as a sum of positive squares in only one way, i.e., 54671236 + 275625 = 7394^2 + 525^2 .

It is a cyclic number.

It is not a de Polignac number, because 54946861 - 2⁹ = 54946349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54946831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27473430 + 27473431.

It is an arithmetic number, because the mean of its divisors is an integer number (27473431).

Almost surely, 2^54946861 is an apocalyptic number.

It is an amenable number.

54946861 is a deficient number, since it is larger than the sum of its proper divisors (1).

54946861 is an equidigital number, since it uses as much as digits as its factorization.

54946861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 43.

The square root of 54946861 is about 7412.6149906764. The cubic root of 54946861 is about 380.1727307984.

The spelling of 54946861 in words is "fifty-four million, nine hundred forty-six thousand, eight hundred sixty-one".