550145233 has 8 divisors (see below), whose sum is σ = 600667776. Its totient is φ = 499707600.

The previous prime is 550145227. The next prime is 550145263. The reversal of 550145233 is 332541055.

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 550145233 - 2¹³ = 550137041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550145213) 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, 7273 + ... + 33958.

It is an arithmetic number, because the mean of its divisors is an integer number (75083472).

Almost surely, 2^550145233 is an apocalyptic number.

It is an amenable number.

550145233 is a deficient number, since it is larger than the sum of its proper divisors (50522543).

550145233 is a wasteful number, since it uses less digits than its factorization.

550145233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42455.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 550145233 is about 23455.1749727006. The cubic root of 550145233 is about 819.3933809121.

Adding to 550145233 its reverse (332541055), we get a palindrome (882686288).

The spelling of 550145233 in words is "five hundred fifty million, one hundred forty-five thousand, two hundred thirty-three".