55448868 has 24 divisors (see below), whose sum is σ = 129551968. Its totient is φ = 18458496.

The previous prime is 55448867. The next prime is 55448873. The reversal of 55448868 is 86884455.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55448867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7980 + ... + 13212.

Almost surely, 2^55448868 is an apocalyptic number.

It is an amenable number.

55448868 is an abundant number, since it is smaller than the sum of its proper divisors (74103100).

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

55448868 is a wasteful number, since it uses less digits than its factorization.

55448868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6123 (or 6121 counting only the distinct ones).

The product of its digits is 1228800, while the sum is 48.

The square root of 55448868 is about 7446.3996669532. The cubic root of 55448868 is about 381.3270041359.

The spelling of 55448868 in words is "fifty-five million, four hundred forty-eight thousand, eight hundred sixty-eight".