260955550 has 12 divisors (see below), whose sum is σ = 485377416. Its totient is φ = 104382200.

The previous prime is 260955521. The next prime is 260955571. The reversal of 260955550 is 55559062.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2609506 + ... + 2609605.

It is an arithmetic number, because the mean of its divisors is an integer number (40448118).

Almost surely, 2^260955550 is an apocalyptic number.

260955550 is a deficient number, since it is larger than the sum of its proper divisors (224421866).

260955550 is a wasteful number, since it uses less digits than its factorization.

260955550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5219123 (or 5219118 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 37.

The square root of 260955550 is about 16154.1186698625. The cubic root of 260955550 is about 639.0313716523.

The spelling of 260955550 in words is "two hundred sixty million, nine hundred fifty-five thousand, five hundred fifty".