2055627784 has 64 divisors (see below), whose sum is σ = 4702233600. Its totient is φ = 822830400.

The previous prime is 2055627781. The next prime is 2055627787. The reversal of 2055627784 is 4877265502.

It is an interprime number because it is at equal distance from previous prime (2055627781) and next prime (2055627787).

It is not an unprimeable number, because it can be changed into a prime (2055627781) 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, 61939 + ... + 89149.

It is an arithmetic number, because the mean of its divisors is an integer number (73472400).

Almost surely, 2^2055627784 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 2055627784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2351116800).

2055627784 is an abundant number, since it is smaller than the sum of its proper divisors (2646605816).

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

2055627784 is a wasteful number, since it uses less digits than its factorization.

2055627784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27314 (or 27310 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 46.

The square root of 2055627784 is about 45339.0315732482. The cubic root of 2055627784 is about 1271.4954966316.

The spelling of 2055627784 in words is "two billion, fifty-five million, six hundred twenty-seven thousand, seven hundred eighty-four".