255255507 has 12 divisors (see below), whose sum is σ = 397064304. Its totient is φ = 157080240.

The previous prime is 255255503. The next prime is 255255521. The reversal of 255255507 is 705552552.

255255507 is a `hidden beast` number, since 2 + 552 + 55 + 50 + 7 = 666.

It is not a de Polignac number, because 255255507 - 2² = 255255503 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (255255503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1090719 + ... + 1090952.

It is an arithmetic number, because the mean of its divisors is an integer number (33088692).

Almost surely, 2^255255507 is an apocalyptic number.

255255507 is a deficient number, since it is larger than the sum of its proper divisors (141808797).

255255507 is a wasteful number, since it uses less digits than its factorization.

255255507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181690 (or 2181687 counting only the distinct ones).

The product of its (nonzero) digits is 87500, while the sum is 36.

The square root of 255255507 is about 15976.7176541366. The cubic root of 255255507 is about 634.3442976300.

The spelling of 255255507 in words is "two hundred fifty-five million, two hundred fifty-five thousand, five hundred seven".