55949 has 2 divisors, whose sum is σ = 55950. Its totient is φ = 55948.

The previous prime is 55933. The next prime is 55967. The reversal of 55949 is 94955.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42025 + 13924 = 205^2 + 118^2 .

It is a cyclic number.

It is not a de Polignac number, because 55949 - 2⁴ = 55933 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27974 + 27975.

It is an arithmetic number, because the mean of its divisors is an integer number (27975).

2⁵⁵⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

55949 is a deficient number, since it is larger than the sum of its proper divisors (1).

55949 is an equidigital number, since it uses as much as digits as its factorization.

55949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 32.

The square root of 55949 is about 236.5354096113. The cubic root of 55949 is about 38.2470059029.

The spelling of 55949 in words is "fifty-five thousand, nine hundred forty-nine".