55670448 has 40 divisors (see below), whose sum is σ = 144084528. Its totient is φ = 18522112.

The previous prime is 55670443. The next prime is 55670471. The reversal of 55670448 is 84407655.

55670448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55670441) 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, 45136 + ... + 46352.

Almost surely, 2^55670448 is an apocalyptic number.

It is an amenable number.

55670448 is an abundant number, since it is smaller than the sum of its proper divisors (88414080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55670448 is a wasteful number, since it uses less digits than its factorization.

55670448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181 (or 2175 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 55670448 is about 7461.2631638349. The cubic root of 55670448 is about 381.8342711010.

The spelling of 55670448 in words is "fifty-five million, six hundred seventy thousand, four hundred forty-eight".