255505126 has 4 divisors (see below), whose sum is σ = 383257692. Its totient is φ = 127752562.

The previous prime is 255505111. The next prime is 255505127. The reversal of 255505126 is 621505552.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255505127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63876280 + ... + 63876283.

It is an arithmetic number, because the mean of its divisors is an integer number (95814423).

Almost surely, 2^255505126 is an apocalyptic number.

255505126 is a deficient number, since it is larger than the sum of its proper divisors (127752566).

255505126 is a wasteful number, since it uses less digits than its factorization.

255505126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127752565.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 255505126 is about 15984.5277065042. The cubic root of 255505126 is about 634.5510092019.

The spelling of 255505126 in words is "two hundred fifty-five million, five hundred five thousand, one hundred twenty-six".