550511331441 has 16 divisors (see below), whose sum is σ = 737290584576. Its totient is φ = 365370352256.

The previous prime is 550511331439. The next prime is 550511331451. The reversal of 550511331441 is 144133115055.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 550511331441 - 2¹ = 550511331439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550511331451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4251136 + ... + 4378718.

It is an arithmetic number, because the mean of its divisors is an integer number (46080661536).

Almost surely, 2^550511331441 is an apocalyptic number.

It is an amenable number.

550511331441 is a deficient number, since it is larger than the sum of its proper divisors (186779253135).

550511331441 is a wasteful number, since it uses less digits than its factorization.

550511331441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133992.

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 550511331441 its reverse (144133115055), we get a palindrome (694644446496).

The spelling of 550511331441 in words is "five hundred fifty billion, five hundred eleven million, three hundred thirty-one thousand, four hundred forty-one".