55448000 has 112 divisors (see below), whose sum is σ = 142646400. Its totient is φ = 21324800.

The previous prime is 55447981. The next prime is 55448039. The reversal of 55448000 is 84455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231881 + ... + 232119.

Almost surely, 2^55448000 is an apocalyptic number.

55448000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55448000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71323200).

55448000 is an abundant number, since it is smaller than the sum of its proper divisors (87198400).

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

55448000 is a wasteful number, since it uses less digits than its factorization.

55448000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 55448000 is about 7446.3413835252. The cubic root of 55448000 is about 381.3250143533.

The spelling of 55448000 in words is "fifty-five million, four hundred forty-eight thousand".