255554090 has 32 divisors (see below), whose sum is σ = 519125760. Its totient is φ = 89723200.

The previous prime is 255554077. The next prime is 255554137. The reversal of 255554090 is 90455552.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 255554090.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36866 + ... + 43245.

It is an arithmetic number, because the mean of its divisors is an integer number (16222680).

Almost surely, 2^255554090 is an apocalyptic number.

255554090 is an abundant number, since it is smaller than the sum of its proper divisors (263571670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255554090 is a wasteful number, since it uses less digits than its factorization.

255554090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80158.

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 255554090 is about 15986.0592392247. The cubic root of 255554090 is about 634.5915409016.

The spelling of 255554090 in words is "two hundred fifty-five million, five hundred fifty-four thousand, ninety".