255551179 has 4 divisors (see below), whose sum is σ = 275208976. Its totient is φ = 235893384.

The previous prime is 255551171. The next prime is 255551207. The reversal of 255551179 is 971155552.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255551179 - 2³ = 255551171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255551171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9828879 + ... + 9828904.

It is an arithmetic number, because the mean of its divisors is an integer number (68802244).

Almost surely, 2^255551179 is an apocalyptic number.

255551179 is a deficient number, since it is larger than the sum of its proper divisors (19657797).

255551179 is a wasteful number, since it uses less digits than its factorization.

255551179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19657796.

The product of its digits is 78750, while the sum is 40.

The square root of 255551179 is about 15985.9681908854. The cubic root of 255551179 is about 634.5891313622.

The spelling of 255551179 in words is "two hundred fifty-five million, five hundred fifty-one thousand, one hundred seventy-nine".