255035066550 has 48 divisors (see below), whose sum is σ = 689985784512. Its totient is φ = 61826682400.

The previous prime is 255035066543. The next prime is 255035066567. The reversal of 255035066550 is 55660530552.

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, 77281704 + ... + 77285003.

It is an arithmetic number, because the mean of its divisors is an integer number (14374703844).

Almost surely, 2^255035066550 is an apocalyptic number.

255035066550 is an abundant number, since it is smaller than the sum of its proper divisors (434950717962).

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

255035066550 is a wasteful number, since it uses less digits than its factorization.

255035066550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154566733 (or 154566728 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 42.

The spelling of 255035066550 in words is "two hundred fifty-five billion, thirty-five million, sixty-six thousand, five hundred fifty".