255802755 has 32 divisors (see below), whose sum is σ = 441564480. Its totient is φ = 125706240.

The previous prime is 255802747. The next prime is 255802777. The reversal of 255802755 is 557208552.

It is not a de Polignac number, because 255802755 - 2³ = 255802747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 171051 + ... + 172539.

It is an arithmetic number, because the mean of its divisors is an integer number (13798890).

Almost surely, 2^255802755 is an apocalyptic number.

255802755 is a deficient number, since it is larger than the sum of its proper divisors (185761725).

255802755 is a wasteful number, since it uses less digits than its factorization.

255802755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391.

The product of its (nonzero) digits is 140000, while the sum is 39.

The square root of 255802755 is about 15993.8349059880. The cubic root of 255802755 is about 634.7973023654.

The spelling of 255802755 in words is "two hundred fifty-five million, eight hundred two thousand, seven hundred fifty-five".