54188077 has 2 divisors, whose sum is σ = 54188078. Its totient is φ = 54188076.

The previous prime is 54188063. The next prime is 54188083. The reversal of 54188077 is 77088145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33884041 + 20304036 = 5821^2 + 4506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54188077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54188087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27094038 + 27094039.

It is an arithmetic number, because the mean of its divisors is an integer number (27094039).

Almost surely, 2^54188077 is an apocalyptic number.

It is an amenable number.

54188077 is a deficient number, since it is larger than the sum of its proper divisors (1).

54188077 is an equidigital number, since it uses as much as digits as its factorization.

54188077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 54188077 is about 7361.2551239581. The cubic root of 54188077 is about 378.4146253326.

The spelling of 54188077 in words is "fifty-four million, one hundred eighty-eight thousand, seventy-seven".