2055511216 has 80 divisors (see below), whose sum is σ = 4409146368. Its totient is φ = 928234560.

The previous prime is 2055511201. The next prime is 2055511217. The reversal of 2055511216 is 6121155502.

It is not an unprimeable number, because it can be changed into a prime (2055511217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5600665 + ... + 5601031.

Almost surely, 2^2055511216 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 2055511216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2204573184).

2055511216 is an abundant number, since it is smaller than the sum of its proper divisors (2353635152).

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

2055511216 is a wasteful number, since it uses less digits than its factorization.

2055511216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 2055511216 is about 45337.7460401375. The cubic root of 2055511216 is about 1271.4714620456.

Adding to 2055511216 its reverse (6121155502), we get a palindrome (8176666718).

The spelling of 2055511216 in words is "two billion, fifty-five million, five hundred eleven thousand, two hundred sixteen".