550641530345 has 4 divisors (see below), whose sum is σ = 660769836420. Its totient is φ = 440513224272.

The previous prime is 550641530321. The next prime is 550641530347. The reversal of 550641530345 is 543035146055.

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 190685928976 + 359955601369 = 436676^2 + 599963^2 .

It is a cyclic number.

It is not a de Polignac number, because 550641530345 - 2²⁸ = 550373094889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550641530347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55064153030 + ... + 55064153039.

It is an arithmetic number, because the mean of its divisors is an integer number (165192459105).

Almost surely, 2^550641530345 is an apocalyptic number.

It is an amenable number.

550641530345 is a deficient number, since it is larger than the sum of its proper divisors (110128306075).

550641530345 is a wasteful number, since it uses less digits than its factorization.

550641530345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110128306074.

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 550641530345 in words is "five hundred fifty billion, six hundred forty-one million, five hundred thirty thousand, three hundred forty-five".