255532805 has 16 divisors (see below), whose sum is σ = 352123200. Its totient is φ = 176060160.

The previous prime is 255532793. The next prime is 255532807. The reversal of 255532805 is 508235552.

It is not a de Polignac number, because 255532805 - 2⁶ = 255532741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255532807) 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, 121220 + ... + 123309.

It is an arithmetic number, because the mean of its divisors is an integer number (22007700).

Almost surely, 2^255532805 is an apocalyptic number.

It is an amenable number.

255532805 is a deficient number, since it is larger than the sum of its proper divisors (96590395).

255532805 is a wasteful number, since it uses less digits than its factorization.

255532805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244564.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 255532805 is about 15985.3934890574. The cubic root of 255532805 is about 634.5739221189.

The spelling of 255532805 in words is "two hundred fifty-five million, five hundred thirty-two thousand, eight hundred five".