54949 has 2 divisors, whose sum is σ = 54950. Its totient is φ = 54948.

The previous prime is 54941. The next prime is 54959. The reversal of 54949 is 94945.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42849 + 12100 = 207^2 + 110^2 .

It is a cyclic number.

It is not a de Polignac number, because 54949 - 2³ = 54941 is a prime.

It is an alternating number because its digits alternate between odd and even.

54949 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 54949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27474 + 27475.

It is an arithmetic number, because the mean of its divisors is an integer number (27475).

2⁵⁴⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

54949 is a deficient number, since it is larger than the sum of its proper divisors (1).

54949 is an equidigital number, since it uses as much as digits as its factorization.

54949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 54949 is about 234.4120304080. The cubic root of 54949 is about 38.0177663922.

The spelling of 54949 in words is "fifty-four thousand, nine hundred forty-nine".