54989317 has 2 divisors, whose sum is σ = 54989318. Its totient is φ = 54989316.

The previous prime is 54989309. The next prime is 54989327. The reversal of 54989317 is 71398945.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30129121 + 24860196 = 5489^2 + 4986^2 .

It is a cyclic number.

It is not a de Polignac number, because 54989317 - 2³ = 54989309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54989327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27494658 + 27494659.

It is an arithmetic number, because the mean of its divisors is an integer number (27494659).

Almost surely, 2^54989317 is an apocalyptic number.

It is an amenable number.

54989317 is a deficient number, since it is larger than the sum of its proper divisors (1).

54989317 is an equidigital number, since it uses as much as digits as its factorization.

54989317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 46.

The square root of 54989317 is about 7415.4782044046. The cubic root of 54989317 is about 380.2706220932.

The spelling of 54989317 in words is "fifty-four million, nine hundred eighty-nine thousand, three hundred seventeen".