255530302555 has 16 divisors (see below), whose sum is σ = 338270968800. Its totient is φ = 183752124160.

The previous prime is 255530302553. The next prime is 255530302561. The reversal of 255530302555 is 555203035552.

It is a happy number.

It is not a de Polignac number, because 255530302555 - 2¹ = 255530302553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255530302553) 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, 26096260 + ... + 26106049.

It is an arithmetic number, because the mean of its divisors is an integer number (21141935550).

Almost surely, 2^255530302555 is an apocalyptic number.

255530302555 is a deficient number, since it is larger than the sum of its proper divisors (82740666245).

255530302555 is a wasteful number, since it uses less digits than its factorization.

255530302555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52202414.

The product of its (nonzero) digits is 562500, while the sum is 40.

The spelling of 255530302555 in words is "two hundred fifty-five billion, five hundred thirty million, three hundred two thousand, five hundred fifty-five".