550178021233 has 4 divisors (see below), whose sum is σ = 550284505600. Its totient is φ = 550071536868.

The previous prime is 550178021231. The next prime is 550178021243. The reversal of 550178021233 is 332120871055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 550178021233 - 2¹ = 550178021231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550178021192 and 550178021201.

It is not an unprimeable number, because it can be changed into a prime (550178021231) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 53234433 + ... + 53244766.

It is an arithmetic number, because the mean of its divisors is an integer number (137571126400).

Almost surely, 2^550178021233 is an apocalyptic number.

It is an amenable number.

550178021233 is a deficient number, since it is larger than the sum of its proper divisors (106484367).

550178021233 is a wasteful number, since it uses less digits than its factorization.

550178021233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106484366.

The product of its (nonzero) digits is 50400, while the sum is 37.

Adding to 550178021233 its reverse (332120871055), we get a palindrome (882298892288).

The spelling of 550178021233 in words is "five hundred fifty billion, one hundred seventy-eight million, twenty-one thousand, two hundred thirty-three".