2055564654 has 32 divisors (see below), whose sum is σ = 4829860224. Its totient is φ = 574982880.

The previous prime is 2055564653. The next prime is 2055564683. The reversal of 2055564654 is 4564655502.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055564653) 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, 1197024 + ... + 1198739.

It is an arithmetic number, because the mean of its divisors is an integer number (150933132).

Almost surely, 2^2055564654 is an apocalyptic number.

2055564654 is an abundant number, since it is smaller than the sum of its proper divisors (2774295570).

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

2055564654 is a wasteful number, since it uses less digits than its factorization.

2055564654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395792.

The product of its (nonzero) digits is 720000, while the sum is 42.

The square root of 2055564654 is about 45338.3353686480. The cubic root of 2055564654 is about 1271.4824802784.

The spelling of 2055564654 in words is "two billion, fifty-five million, five hundred sixty-four thousand, six hundred fifty-four".