255321301032550 has 96 divisors (see below), whose sum is σ = 521182202204160. Its totient is φ = 92753203171200.

The previous prime is 255321301032491. The next prime is 255321301032599. The reversal of 255321301032550 is 55230103123552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65675530 + ... + 69454429.

It is an arithmetic number, because the mean of its divisors is an integer number (5428981272960).

Almost surely, 2^{255321301032550} is an apocalyptic number.

255321301032550 is an abundant number, since it is smaller than the sum of its proper divisors (265860901171610).

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

255321301032550 is a wasteful number, since it uses less digits than its factorization.

255321301032550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135130078 (or 135130073 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 37.

The spelling of 255321301032550 in words is "two hundred fifty-five trillion, three hundred twenty-one billion, three hundred one million, thirty-two thousand, five hundred fifty".