54886891 has 2 divisors, whose sum is σ = 54886892. Its totient is φ = 54886890.

The previous prime is 54886889. The next prime is 54886903. The reversal of 54886891 is 19868845.

54886891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54886891 - 2¹ = 54886889 is a prime.

Together with 54886889, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54886861) 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, 27443445 + 27443446.

It is an arithmetic number, because the mean of its divisors is an integer number (27443446).

Almost surely, 2^54886891 is an apocalyptic number.

54886891 is a deficient number, since it is larger than the sum of its proper divisors (1).

54886891 is an equidigital number, since it uses as much as digits as its factorization.

54886891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 552960, while the sum is 49.

The square root of 54886891 is about 7408.5687551645. The cubic root of 54886891 is about 380.0343713139.

The spelling of 54886891 in words is "fifty-four million, eight hundred eighty-six thousand, eight hundred ninety-one".