263042055 has 24 divisors (see below), whose sum is σ = 459278352. Its totient is φ = 139261824.

The previous prime is 263042047. The next prime is 263042057. The reversal of 263042055 is 550240362.

263042055 is a `hidden beast` number, since 2 + 630 + 4 + 20 + 5 + 5 = 666.

It is not a de Polignac number, because 263042055 - 2³ = 263042047 is a prime.

It is a super-2 number, since 2×263042055² = 138382245397246050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263042057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15169 + ... + 27498.

It is an arithmetic number, because the mean of its divisors is an integer number (19136598).

Almost surely, 2^263042055 is an apocalyptic number.

263042055 is a deficient number, since it is larger than the sum of its proper divisors (196236297).

263042055 is a wasteful number, since it uses less digits than its factorization.

263042055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42815 (or 42812 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 263042055 is about 16218.5712995936. The cubic root of 263042055 is about 640.7300060433.

The spelling of 263042055 in words is "two hundred sixty-three million, forty-two thousand, fifty-five".