54881017 has 2 divisors, whose sum is σ = 54881018. Its totient is φ = 54881016.

The previous prime is 54880997. The next prime is 54881051. The reversal of 54881017 is 71018845.

It is an a-pointer prime, because the next prime (54881051) can be obtained adding 54881017 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50466816 + 4414201 = 7104^2 + 2101^2 .

It is a cyclic number.

It is not a de Polignac number, because 54881017 - 2¹¹ = 54878969 is a prime.

It is not a weakly prime, because it can be changed into another prime (54881317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27440508 + 27440509.

It is an arithmetic number, because the mean of its divisors is an integer number (27440509).

Almost surely, 2^54881017 is an apocalyptic number.

It is an amenable number.

54881017 is a deficient number, since it is larger than the sum of its proper divisors (1).

54881017 is an equidigital number, since it uses as much as digits as its factorization.

54881017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 54881017 is about 7408.1723117109. The cubic root of 54881017 is about 380.0208137261.

The spelling of 54881017 in words is "fifty-four million, eight hundred eighty-one thousand, seventeen".