255005430553 has 4 divisors (see below), whose sum is σ = 255006962100. Its totient is φ = 255003899008.

The previous prime is 255005430551. The next prime is 255005430557. The reversal of 255005430553 is 355034500552.

255005430553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 243351796249 + 11653634304 = 493307^2 + 107952^2 .

It is a cyclic number.

It is not a de Polignac number, because 255005430553 - 2¹ = 255005430551 is a prime.

It is a super-2 number, since 2×255005430553² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255005430551) 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 3 ways as a sum of consecutive naturals, for example, 480628 + ... + 860821.

It is an arithmetic number, because the mean of its divisors is an integer number (63751740525).

Almost surely, 2^255005430553 is an apocalyptic number.

It is an amenable number.

255005430553 is a deficient number, since it is larger than the sum of its proper divisors (1531547).

255005430553 is a wasteful number, since it uses less digits than its factorization.

255005430553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531546.

The product of its (nonzero) digits is 225000, while the sum is 37.

The spelling of 255005430553 in words is "two hundred fifty-five billion, five million, four hundred thirty thousand, five hundred fifty-three".