54131771 has 2 divisors, whose sum is σ = 54131772. Its totient is φ = 54131770.

The previous prime is 54131761. The next prime is 54131783. The reversal of 54131771 is 17713145.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54131771 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54131731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27065885 + 27065886.

It is an arithmetic number, because the mean of its divisors is an integer number (27065886).

Almost surely, 2^54131771 is an apocalyptic number.

54131771 is a deficient number, since it is larger than the sum of its proper divisors (1).

54131771 is an equidigital number, since it uses as much as digits as its factorization.

54131771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2940, while the sum is 29.

The square root of 54131771 is about 7357.4296462827. The cubic root of 54131771 is about 378.2835116309.

The spelling of 54131771 in words is "fifty-four million, one hundred thirty-one thousand, seven hundred seventy-one".