54989219 has 2 divisors, whose sum is σ = 54989220. Its totient is φ = 54989218.

The previous prime is 54989213. The next prime is 54989227. The reversal of 54989219 is 91298945.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54989219 - 2⁸ = 54988963 is a prime.

It is a super-2 number, since 2×54989219² = 6047628412459922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54989213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27494609 + 27494610.

It is an arithmetic number, because the mean of its divisors is an integer number (27494610).

Almost surely, 2^54989219 is an apocalyptic number.

54989219 is a deficient number, since it is larger than the sum of its proper divisors (1).

54989219 is an equidigital number, since it uses as much as digits as its factorization.

54989219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 47.

The square root of 54989219 is about 7415.4715966013. The cubic root of 54989219 is about 380.2703961915.

The spelling of 54989219 in words is "fifty-four million, nine hundred eighty-nine thousand, two hundred nineteen".