255044550 has 24 divisors (see below), whose sum is σ = 632510856. Its totient is φ = 68011840.

The previous prime is 255044519. The next prime is 255044561. The reversal of 255044550 is 55440552.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 849999 + ... + 850298.

It is an arithmetic number, because the mean of its divisors is an integer number (26354619).

Almost surely, 2^255044550 is an apocalyptic number.

255044550 is an abundant number, since it is smaller than the sum of its proper divisors (377466306).

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

255044550 is a wasteful number, since it uses less digits than its factorization.

255044550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700312 (or 1700307 counting only the distinct ones).

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

The square root of 255044550 is about 15970.1142763601. The cubic root of 255044550 is about 634.1694972849.

The spelling of 255044550 in words is "two hundred fifty-five million, forty-four thousand, five hundred fifty".