255042550 has 72 divisors (see below), whose sum is σ = 565510680. Its totient is φ = 85276800.

The previous prime is 255042527. The next prime is 255042553. The reversal of 255042550 is 55240552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255042553) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 99181 + ... + 101719.

It is an arithmetic number, because the mean of its divisors is an integer number (7854315).

Almost surely, 2^255042550 is an apocalyptic number.

255042550 is an abundant number, since it is smaller than the sum of its proper divisors (310468130).

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

255042550 is a wasteful number, since it uses less digits than its factorization.

255042550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606 (or 2594 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 255042550 is about 15970.0516592777. The cubic root of 255042550 is about 634.1678396107.

The spelling of 255042550 in words is "two hundred fifty-five million, forty-two thousand, five hundred fifty".