2555020163 has 16 divisors (see below), whose sum is σ = 2670919680. Its totient is φ = 2441982816.

The previous prime is 2555020141. The next prime is 2555020177. The reversal of 2555020163 is 3610205552.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2555020163 - 2²⁶ = 2487911299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2555020183) 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, 481358 + ... + 486636.

It is an arithmetic number, because the mean of its divisors is an integer number (166932480).

Almost surely, 2^2555020163 is an apocalyptic number.

2555020163 is a deficient number, since it is larger than the sum of its proper divisors (115899517).

2555020163 is a wasteful number, since it uses less digits than its factorization.

2555020163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5546.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 2555020163 is about 50547.2072720145. The cubic root of 2555020163 is about 1367.0931605718.

The spelling of 2555020163 in words is "two billion, five hundred fifty-five million, twenty thousand, one hundred sixty-three".