2055565266 has 16 divisors (see below), whose sum is σ = 4222242624. Its totient is φ = 666669744.

The previous prime is 2055565219. The next prime is 2055565297. The reversal of 2055565266 is 6625655502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4629430 + ... + 4629873.

It is an arithmetic number, because the mean of its divisors is an integer number (263890164).

Almost surely, 2^2055565266 is an apocalyptic number.

2055565266 is an abundant number, since it is smaller than the sum of its proper divisors (2166677358).

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

2055565266 is a wasteful number, since it uses less digits than its factorization.

2055565266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9259345.

The product of its (nonzero) digits is 540000, while the sum is 42.

The square root of 2055565266 is about 45338.3421179028. The cubic root of 2055565266 is about 1271.4826064638.

The spelling of 2055565266 in words is "two billion, fifty-five million, five hundred sixty-five thousand, two hundred sixty-six".