54561049 has 2 divisors, whose sum is σ = 54561050. Its totient is φ = 54561048.

The previous prime is 54561043. The next prime is 54561061. The reversal of 54561049 is 94016545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54125449 + 435600 = 7357^2 + 660^2 .

It is a cyclic number.

It is not a de Polignac number, because 54561049 - 2⁷ = 54560921 is a prime.

It is not a weakly prime, because it can be changed into another prime (54561043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27280524 + 27280525.

It is an arithmetic number, because the mean of its divisors is an integer number (27280525).

Almost surely, 2^54561049 is an apocalyptic number.

It is an amenable number.

54561049 is a deficient number, since it is larger than the sum of its proper divisors (1).

54561049 is an equidigital number, since it uses as much as digits as its factorization.

54561049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 54561049 is about 7386.5451328750. The cubic root of 54561049 is about 379.2808397360.

The spelling of 54561049 in words is "fifty-four million, five hundred sixty-one thousand, forty-nine".