255057766 has 16 divisors (see below), whose sum is σ = 410644944. Its totient is φ = 118381824.

The previous prime is 255057763. The next prime is 255057791. The reversal of 255057766 is 667750552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255057763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48900 + ... + 53863.

It is an arithmetic number, because the mean of its divisors is an integer number (25665309).

Almost surely, 2^255057766 is an apocalyptic number.

255057766 is a deficient number, since it is larger than the sum of its proper divisors (155587178).

255057766 is a wasteful number, since it uses less digits than its factorization.

255057766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102855.

The product of its (nonzero) digits is 441000, while the sum is 43.

The square root of 255057766 is about 15970.5280438688. The cubic root of 255057766 is about 634.1804509782.

The spelling of 255057766 in words is "two hundred fifty-five million, fifty-seven thousand, seven hundred sixty-six".