550215300433 has 4 divisors (see below), whose sum is σ = 550405229220. Its totient is φ = 550025371648.

The previous prime is 550215300373. The next prime is 550215300449. The reversal of 550215300433 is 334003512055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 338331845569 + 211883454864 = 581663^2 + 460308^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550215300433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550215300395 and 550215300404.

It is not an unprimeable number, because it can be changed into a prime (550215300233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94960048 + ... + 94965841.

It is an arithmetic number, because the mean of its divisors is an integer number (137601307305).

Almost surely, 2^550215300433 is an apocalyptic number.

It is an amenable number.

550215300433 is a deficient number, since it is larger than the sum of its proper divisors (189928787).

550215300433 is a wasteful number, since it uses less digits than its factorization.

550215300433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189928786.

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 550215300433 its reverse (334003512055), we get a palindrome (884218812488).

The spelling of 550215300433 in words is "five hundred fifty billion, two hundred fifteen million, three hundred thousand, four hundred thirty-three".