55622016 has 96 divisors (see below), whose sum is σ = 163257120. Its totient is φ = 18170880.

The previous prime is 55622003. The next prime is 55622041. The reversal of 55622016 is 61022655.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60601 + ... + 61511.

It is an arithmetic number, because the mean of its divisors is an integer number (1700595).

Almost surely, 2^55622016 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 55622016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81628560).

55622016 is an abundant number, since it is smaller than the sum of its proper divisors (107635104).

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

55622016 is a wasteful number, since it uses less digits than its factorization.

55622016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984 (or 969 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 55622016 is about 7458.0168945907. The cubic root of 55622016 is about 381.7235099851.

The spelling of 55622016 in words is "fifty-five million, six hundred twenty-two thousand, sixteen".