54775771 has 2 divisors, whose sum is σ = 54775772. Its totient is φ = 54775770.

The previous prime is 54775759. The next prime is 54775789. The reversal of 54775771 is 17757745.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54775771 - 2⁵ = 54775739 is a prime.

It is not a weakly prime, because it can be changed into another prime (54775711) 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, 27387885 + 27387886.

It is an arithmetic number, because the mean of its divisors is an integer number (27387886).

Almost surely, 2^54775771 is an apocalyptic number.

54775771 is a deficient number, since it is larger than the sum of its proper divisors (1).

54775771 is an equidigital number, since it uses as much as digits as its factorization.

54775771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240100, while the sum is 43.

The square root of 54775771 is about 7401.0655313948. The cubic root of 54775771 is about 379.7777347481. Note that the first 4 decimals are identical.

The spelling of 54775771 in words is "fifty-four million, seven hundred seventy-five thousand, seven hundred seventy-one".