54799489 has 2 divisors, whose sum is σ = 54799490. Its totient is φ = 54799488.

The previous prime is 54799487. The next prime is 54799519. The reversal of 54799489 is 98499745.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29246464 + 25553025 = 5408^2 + 5055^2 .

It is a cyclic number.

It is not a de Polignac number, because 54799489 - 2¹ = 54799487 is a prime.

It is a super-2 number, since 2×54799489² = 6005967989322242, which contains 22 as substring.

Together with 54799487, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54799487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27399744 + 27399745.

It is an arithmetic number, because the mean of its divisors is an integer number (27399745).

Almost surely, 2^54799489 is an apocalyptic number.

It is an amenable number.

54799489 is a deficient number, since it is larger than the sum of its proper divisors (1).

54799489 is an equidigital number, since it uses as much as digits as its factorization.

54799489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 55.

The square root of 54799489 is about 7402.6676948246. The cubic root of 54799489 is about 379.8325416354.

The spelling of 54799489 in words is "fifty-four million, seven hundred ninety-nine thousand, four hundred eighty-nine".