54431771 has 2 divisors, whose sum is σ = 54431772. Its totient is φ = 54431770.

The previous prime is 54431759. The next prime is 54431779. The reversal of 54431771 is 17713445.

54431771 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54431771 is a prime.

It is not a weakly prime, because it can be changed into another prime (54431779) 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, 27215885 + 27215886.

It is an arithmetic number, because the mean of its divisors is an integer number (27215886).

Almost surely, 2^54431771 is an apocalyptic number.

54431771 is a deficient number, since it is larger than the sum of its proper divisors (1).

54431771 is an equidigital number, since it uses as much as digits as its factorization.

54431771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 32.

The square root of 54431771 is about 7377.7890319526. The cubic root of 54431771 is about 378.9810443895.

The spelling of 54431771 in words is "fifty-four million, four hundred thirty-one thousand, seven hundred seventy-one".