550450291 has 8 divisors (see below), whose sum is σ = 576211968. Its totient is φ = 525189000.

The previous prime is 550450249. The next prime is 550450319. The reversal of 550450291 is 192054055.

550450291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550450291 - 2¹¹ = 550448243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550450211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122845 + ... + 127246.

It is an arithmetic number, because the mean of its divisors is an integer number (72026496).

Almost surely, 2^550450291 is an apocalyptic number.

550450291 is a deficient number, since it is larger than the sum of its proper divisors (25761677).

550450291 is a wasteful number, since it uses less digits than its factorization.

550450291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250193.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 550450291 is about 23461.6770713434. The cubic root of 550450291 is about 819.5448053624.

The spelling of 550450291 in words is "five hundred fifty million, four hundred fifty thousand, two hundred ninety-one".