55448871 has 8 divisors (see below), whose sum is σ = 73987440. Its totient is φ = 36938112.

The previous prime is 55448867. The next prime is 55448873. The reversal of 55448871 is 17884455.

55448871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55448871 - 2² = 55448867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55448873) 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 in 7 ways as a sum of consecutive naturals, for example, 1740 + ... + 10673.

It is an arithmetic number, because the mean of its divisors is an integer number (9248430).

Almost surely, 2^55448871 is an apocalyptic number.

55448871 is a deficient number, since it is larger than the sum of its proper divisors (18538569).

55448871 is a wasteful number, since it uses less digits than its factorization.

55448871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13905.

The product of its digits is 179200, while the sum is 42.

The square root of 55448871 is about 7446.3998683928. The cubic root of 55448871 is about 381.3270110129.

The spelling of 55448871 in words is "fifty-five million, four hundred forty-eight thousand, eight hundred seventy-one".