55446994 has 4 divisors (see below), whose sum is σ = 83170494. Its totient is φ = 27723496.

The previous prime is 55446991. The next prime is 55447001. The reversal of 55446994 is 49964455.

55446994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49964455 = 5 ⋅9992891.

It can be written as a sum of positive squares in only one way, i.e., 46416969 + 9030025 = 6813^2 + 3005^2 .

It is not an unprimeable number, because it can be changed into a prime (55446991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13861747 + ... + 13861750.

Almost surely, 2^55446994 is an apocalyptic number.

55446994 is a deficient number, since it is larger than the sum of its proper divisors (27723500).

55446994 is a wasteful number, since it uses less digits than its factorization.

55446994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27723499.

The product of its digits is 777600, while the sum is 46.

The square root of 55446994 is about 7446.2738332672. The cubic root of 55446994 is about 381.3227081969.

The spelling of 55446994 in words is "fifty-five million, four hundred forty-six thousand, nine hundred ninety-four".