55054449 has 24 divisors (see below), whose sum is σ = 84794112. Its totient is φ = 34300800.

The previous prime is 55054429. The next prime is 55054451. The reversal of 55054449 is 94445055.

It is not a de Polignac number, because 55054449 - 2⁹ = 55053937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55054429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21912 + ... + 24294.

It is an arithmetic number, because the mean of its divisors is an integer number (3533088).

Almost surely, 2^55054449 is an apocalyptic number.

It is an amenable number.

55054449 is a deficient number, since it is larger than the sum of its proper divisors (29739663).

55054449 is a wasteful number, since it uses less digits than its factorization.

55054449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557 (or 2554 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 55054449 is about 7419.8685298326. The cubic root of 55054449 is about 380.4206998127.

The spelling of 55054449 in words is "fifty-five million, fifty-four thousand, four hundred forty-nine".