243054550 has 48 divisors (see below), whose sum is σ = 461153520. Its totient is φ = 95293440.

The previous prime is 243054541. The next prime is 243054563. The reversal of 243054550 is 55450342.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 858709 + ... + 858991.

It is an arithmetic number, because the mean of its divisors is an integer number (9607365).

Almost surely, 2^243054550 is an apocalyptic number.

243054550 is a deficient number, since it is larger than the sum of its proper divisors (218098970).

243054550 is a wasteful number, since it uses less digits than its factorization.

243054550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 243054550 is about 15590.2068620015. The cubic root of 243054550 is about 624.0718383077.

The spelling of 243054550 in words is "two hundred forty-three million, fifty-four thousand, five hundred fifty".