54849481 has 2 divisors, whose sum is σ = 54849482. Its totient is φ = 54849480.

The previous prime is 54849479. The next prime is 54849521. The reversal of 54849481 is 18494845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28676025 + 26173456 = 5355^2 + 5116^2 .

It is a cyclic number.

It is not a de Polignac number, because 54849481 - 2¹ = 54849479 is a prime.

It is a super-2 number, since 2×54849481² = 6016931131938722, which contains 22 as substring.

Together with 54849479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (54819481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27424740 + 27424741.

It is an arithmetic number, because the mean of its divisors is an integer number (27424741).

Almost surely, 2^54849481 is an apocalyptic number.

It is an amenable number.

54849481 is a deficient number, since it is larger than the sum of its proper divisors (1).

54849481 is an equidigital number, since it uses as much as digits as its factorization.

54849481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 184320, while the sum is 43.

The square root of 54849481 is about 7406.0435456457. The cubic root of 54849481 is about 379.9480099694.

The spelling of 54849481 in words is "fifty-four million, eight hundred forty-nine thousand, four hundred eighty-one".