54517777 has 2 divisors, whose sum is σ = 54517778. Its totient is φ = 54517776.

The previous prime is 54517753. The next prime is 54517807. The reversal of 54517777 is 77771545.

It is a happy number.

54517777 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 can be written as a sum of positive squares in only one way, i.e., 46457856 + 8059921 = 6816^2 + 2839^2 .

It is a cyclic number.

It is not a de Polignac number, because 54517777 - 2⁷ = 54517649 is a prime.

It is not a weakly prime, because it can be changed into another prime (54517717) 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, 27258888 + 27258889.

It is an arithmetic number, because the mean of its divisors is an integer number (27258889).

Almost surely, 2^54517777 is an apocalyptic number.

It is an amenable number.

54517777 is a deficient number, since it is larger than the sum of its proper divisors (1).

54517777 is an equidigital number, since it uses as much as digits as its factorization.

54517777 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 54517777 is about 7383.6154423155. The cubic root of 54517777 is about 379.1805448583.

The spelling of 54517777 in words is "fifty-four million, five hundred seventeen thousand, seven hundred seventy-seven".