255300005500 has 24 divisors (see below), whose sum is σ = 557575213104. Its totient is φ = 102120002000.

The previous prime is 255300005473. The next prime is 255300005503. The reversal of 255300005500 is 5500003552.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255300005503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255299506 + ... + 255300505.

It is an arithmetic number, because the mean of its divisors is an integer number (23232300546).

Almost surely, 2^255300005500 is an apocalyptic number.

255300005500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255300005500 is an abundant number, since it is smaller than the sum of its proper divisors (302275207604).

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

255300005500 is a wasteful number, since it uses less digits than its factorization.

255300005500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510600030 (or 510600018 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 25.

The spelling of 255300005500 in words is "two hundred fifty-five billion, three hundred million, five thousand, five hundred".