255550242 has 16 divisors (see below), whose sum is σ = 511313472. Its totient is φ = 85147920.

The previous prime is 255550223. The next prime is 255550303. The reversal of 255550242 is 242055552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9723 + ... + 24609.

It is an arithmetic number, because the mean of its divisors is an integer number (31957092).

Almost surely, 2^255550242 is an apocalyptic number.

255550242 is an abundant number, since it is smaller than the sum of its proper divisors (255763230).

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

255550242 is a wasteful number, since it uses less digits than its factorization.

255550242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17753.

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 255550242 is about 15985.9388839067. The cubic root of 255550242 is about 634.5883557696.

The spelling of 255550242 in words is "two hundred fifty-five million, five hundred fifty thousand, two hundred forty-two".