55065248 has 48 divisors (see below), whose sum is σ = 124467840. Its totient is φ = 23490816.

The previous prime is 55065221. The next prime is 55065277. The reversal of 55065248 is 84256055.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65213 + ... + 66051.

It is an arithmetic number, because the mean of its divisors is an integer number (2593080).

Almost surely, 2^55065248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55065248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62233920).

55065248 is an abundant number, since it is smaller than the sum of its proper divisors (69402592).

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

55065248 is a wasteful number, since it uses less digits than its factorization.

55065248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149 (or 1141 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 55065248 is about 7420.5962024624. The cubic root of 55065248 is about 380.4455715208.

The spelling of 55065248 in words is "fifty-five million, sixty-five thousand, two hundred forty-eight".