54288917 has 2 divisors, whose sum is σ = 54288918. Its totient is φ = 54288916.

The previous prime is 54288893. The next prime is 54288977. The reversal of 54288917 is 71988245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50324836 + 3964081 = 7094^2 + 1991^2 .

It is a cyclic number.

It is not a de Polignac number, because 54288917 - 2¹² = 54284821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54288977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27144458 + 27144459.

It is an arithmetic number, because the mean of its divisors is an integer number (27144459).

Almost surely, 2^54288917 is an apocalyptic number.

It is an amenable number.

54288917 is a deficient number, since it is larger than the sum of its proper divisors (1).

54288917 is an equidigital number, since it uses as much as digits as its factorization.

54288917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 44.

The square root of 54288917 is about 7368.1013158072. The cubic root of 54288917 is about 378.6492137439.

The spelling of 54288917 in words is "fifty-four million, two hundred eighty-eight thousand, nine hundred seventeen".