255533061 has 16 divisors (see below), whose sum is σ = 391564800. Its totient is φ = 145201008.

The previous prime is 255533041. The next prime is 255533099. The reversal of 255533061 is 160335552.

It is not a de Polignac number, because 255533061 - 2⁶ = 255532997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255533011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30231 + ... + 37748.

It is an arithmetic number, because the mean of its divisors is an integer number (24472800).

Almost surely, 2^255533061 is an apocalyptic number.

255533061 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

255533061 is a deficient number, since it is larger than the sum of its proper divisors (136031739).

255533061 is a wasteful number, since it uses less digits than its factorization.

255533061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68168.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 255533061 is about 15985.4014963654. The cubic root of 255533061 is about 634.5741340302.

The spelling of 255533061 in words is "two hundred fifty-five million, five hundred thirty-three thousand, sixty-one".