265800054 has 16 divisors (see below), whose sum is σ = 572492592. Its totient is φ = 81784608.

The previous prime is 265800053. The next prime is 265800127. The reversal of 265800054 is 450008562.

It is a junction number, because it is equal to n+sod(n) for n = 265799994 and 265800030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265800053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1703769 + ... + 1703924.

It is an arithmetic number, because the mean of its divisors is an integer number (35780787).

Almost surely, 2^265800054 is an apocalyptic number.

265800054 is an abundant number, since it is smaller than the sum of its proper divisors (306692538).

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

265800054 is a wasteful number, since it uses less digits than its factorization.

265800054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407711.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 265800054 is about 16303.3755400530. The cubic root of 265800054 is about 642.9615786167.

The spelling of 265800054 in words is "two hundred sixty-five million, eight hundred thousand, fifty-four".