550330155442 has 4 divisors (see below), whose sum is σ = 825495233166. Its totient is φ = 275165077720.

The previous prime is 550330155407. The next prime is 550330155461. The reversal of 550330155442 is 244551033055.

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

It can be written as a sum of positive squares in only one way, i.e., 550236084841 + 94070601 = 741779^2 + 9699^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137582538859 + ... + 137582538862.

Almost surely, 2^550330155442 is an apocalyptic number.

550330155442 is a deficient number, since it is larger than the sum of its proper divisors (275165077724).

550330155442 is a wasteful number, since it uses less digits than its factorization.

550330155442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275165077723.

The product of its (nonzero) digits is 180000, while the sum is 37.

Adding to 550330155442 its reverse (244551033055), we get a palindrome (794881188497).

The spelling of 550330155442 in words is "five hundred fifty billion, three hundred thirty million, one hundred fifty-five thousand, four hundred forty-two".