55030016 has 36 divisors (see below), whose sum is σ = 110964672. Its totient is φ = 27234816.

The previous prime is 55030009. The next prime is 55030039. The reversal of 55030016 is 61003055.

It is a self number, because there is not a number n which added to its sum of digits gives 55030016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25325 + ... + 27411.

It is an arithmetic number, because the mean of its divisors is an integer number (3082352).

Almost surely, 2^55030016 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 55030016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55482336).

55030016 is an abundant number, since it is smaller than the sum of its proper divisors (55934656).

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

55030016 is a wasteful number, since it uses less digits than its factorization.

55030016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206 (or 2192 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 55030016 is about 7418.2218893748. The cubic root of 55030016 is about 380.3644149621.

The spelling of 55030016 in words is "fifty-five million, thirty thousand, sixteen".