55966449 has 16 divisors (see below), whose sum is σ = 93035520. Its totient is φ = 29073360.

The previous prime is 55966447. The next prime is 55966481. The reversal of 55966449 is 94466955.

It is not a de Polignac number, because 55966449 - 2¹ = 55966447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55966398 and 55966407.

It is not an unprimeable number, because it can be changed into a prime (55966447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120909 + ... + 121370.

It is an arithmetic number, because the mean of its divisors is an integer number (5814720).

Almost surely, 2^55966449 is an apocalyptic number.

It is an amenable number.

55966449 is a deficient number, since it is larger than the sum of its proper divisors (37069071).

55966449 is a wasteful number, since it uses less digits than its factorization.

55966449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242300.

The product of its digits is 1166400, while the sum is 48.

The square root of 55966449 is about 7481.0727171977. The cubic root of 55966449 is about 382.5098156309.

The spelling of 55966449 in words is "fifty-five million, nine hundred sixty-six thousand, four hundred forty-nine".