263264055 has 16 divisors (see below), whose sum is σ = 421840224. Its totient is φ = 140201600.

The previous prime is 263264051. The next prime is 263264069. The reversal of 263264055 is 550462362.

It is not a de Polignac number, because 263264055 - 2² = 263264051 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263264051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2004 + ... + 23033.

It is an arithmetic number, because the mean of its divisors is an integer number (26365014).

Almost surely, 2^263264055 is an apocalyptic number.

263264055 is a deficient number, since it is larger than the sum of its proper divisors (158576169).

263264055 is a wasteful number, since it uses less digits than its factorization.

263264055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25746.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 263264055 is about 16225.4138622101. The cubic root of 263264055 is about 640.9102079810.

It can be divided in two parts, 26326 and 4055, that added together give a triangular number (30381 = T₂₄₆).

The spelling of 263264055 in words is "two hundred sixty-three million, two hundred sixty-four thousand, fifty-five".