255504655 has 8 divisors (see below), whose sum is σ = 350406432. Its totient is φ = 175203168.

The previous prime is 255504653. The next prime is 255504659. The reversal of 255504655 is 556405552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255504655 - 2¹ = 255504653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255504653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3650032 + ... + 3650101.

It is an arithmetic number, because the mean of its divisors is an integer number (43800804).

Almost surely, 2^255504655 is an apocalyptic number.

255504655 is a deficient number, since it is larger than the sum of its proper divisors (94901777).

255504655 is an equidigital number, since it uses as much as digits as its factorization.

255504655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7300145.

The product of its (nonzero) digits is 150000, while the sum is 37.

The square root of 255504655 is about 15984.5129735003. The cubic root of 255504655 is about 634.5506192897.

The spelling of 255504655 in words is "two hundred fifty-five million, five hundred four thousand, six hundred fifty-five".