550402134343 has 16 divisors (see below), whose sum is σ = 569278679040. Its totient is φ = 531843545376.

The previous prime is 550402134281. The next prime is 550402134389. The reversal of 550402134343 is 343431204055.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550402134343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550402134299 and 550402134308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550402135343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20010346 + ... + 20037832.

It is an arithmetic number, because the mean of its divisors is an integer number (35579917440).

Almost surely, 2^550402134343 is an apocalyptic number.

550402134343 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

550402134343 is a deficient number, since it is larger than the sum of its proper divisors (18876544697).

550402134343 is a wasteful number, since it uses less digits than its factorization.

550402134343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33246.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 550402134343 its reverse (343431204055), we get a palindrome (893833338398).

The spelling of 550402134343 in words is "five hundred fifty billion, four hundred two million, one hundred thirty-four thousand, three hundred forty-three".