255278000550 has 48 divisors (see below), whose sum is σ = 638692045200. Its totient is φ = 67471703040.

The previous prime is 255278000539. The next prime is 255278000591. The reversal of 255278000550 is 55000872552.

It is a junction number, because it is equal to n+sod(n) for n = 255278000499 and 255278000508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7513375 + ... + 7547274.

It is an arithmetic number, because the mean of its divisors is an integer number (13306084275).

Almost surely, 2^255278000550 is an apocalyptic number.

255278000550 is an abundant number, since it is smaller than the sum of its proper divisors (383414044650).

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

255278000550 is a wasteful number, since it uses less digits than its factorization.

255278000550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15060777 (or 15060772 counting only the distinct ones).

The product of its (nonzero) digits is 140000, while the sum is 39.

The spelling of 255278000550 in words is "two hundred fifty-five billion, two hundred seventy-eight million, five hundred fifty", and thus it is an aban number.