201555255 has 32 divisors (see below), whose sum is σ = 352574208. Its totient is φ = 97510400.

The previous prime is 201555227. The next prime is 201555271. The reversal of 201555255 is 552555102.

It is not a de Polignac number, because 201555255 - 2¹⁰ = 201554231 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95815 + ... + 97895.

It is an arithmetic number, because the mean of its divisors is an integer number (11017944).

Almost surely, 2^201555255 is an apocalyptic number.

201555255 is a deficient number, since it is larger than the sum of its proper divisors (151018953).

201555255 is a wasteful number, since it uses less digits than its factorization.

201555255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687.

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 201555255 is about 14197.0157075352. The cubic root of 201555255 is about 586.3154996731.

The spelling of 201555255 in words is "two hundred one million, five hundred fifty-five thousand, two hundred fifty-five".